Japanese-English False Friends: Words That Sound Familiar but Mean Something Different

For learners of Japanese whose first or second language is English, katakana words can sometimes be misleading. Because many of these words resemble familiar English words, it is easy to assume that they carry the same meaning, which can lead to misunderstandings in everyday conversation.

This article explores four commonly misunderstood katakana words—mansion, tension, Viking, and front—and explains how their meanings differ between Japanese and English. Each word is introduced with dictionary definitions and practical examples to help clarify how it is used in everyday situations. By recognizing the assumptions that can arise from familiar English words, it becomes easier to understand and use katakana words naturally in conversations, as well as in settings such as hotels and restaurants.

For Japanese learners who speak English as their first or second language, katakana words may seem easier to remember. Many of these words resemble familiar English words, making it easy to assume that they have the same meaning. However, this is not always the case. Some katakana words are Japanese-made expressions based on English, while others have taken on meanings that differ from those in English. Here are four words that can be particularly misleading, especially for those familiar with English.

The Japanese word manshon and the English word mansion sound very similar, but their meanings are quite different.

In Japanese, manshon refers to a multi-unit residential building where different households live in separate apartments. The Cambridge Japanese-English Dictionary translates manshon as “apartment building,” “apartment,” or “condominium.” In English, however, a mansion is a very large and expensive house—in other words, a luxurious residence.

For example, when a Japanese speaker says, “I live in a manshon in Osaka,” it does not mean that they live in a grand mansion.

Example:
私は駅の近くのマンションに住んでいます。
Watashi wa eki no chikaku no manshon ni sundeimasu.
–I live in an apartment near the station.

As a general rule, think of the Japanese word manshon as closer in meaning to apartment or condominium in English.

The Japanese word tenshon is commonly used in everyday conversation. When someone’s tenshon is high, they are energetic, excited, or in a lively mood. The expression tenshon ga agaru describes becoming happy or excited, especially in response to something enjoyable or exciting.

Example:
コンサートが始まって、みんなのテンションが上がりました。
Konsaato ga hajimatte, minna no tenshon ga agarimashita.
–Everyone got excited when the concert started.

In English, however, the word tension usually refers to feelings of stress, anxiety, or conflict, as well as the physical force that pulls on something, such as a rope or wire. These meanings are quite different from those of Japanese tenshon.

In Japanese, tenshon is commonly used in expressions such as:

・ tenshon ga takai / tenshon ga hikui — high / low energy or excitement
・ tenshon ga agaru / tenshon ga sagaru — to get more / less excited

For example, saying that someone’s tenshon seems low today means that they do not seem very energetic or excited. Interpreting Japanese tenshon based solely on the English meaning of tension can easily lead to misunderstandings, so it is important to keep the difference in mind.

At hotels and restaurants in Japan, signs advertising a “Viking-style” breakfast or lunch are commonly seen. In Japanese, baikingu refers to a buffet-style meal in which diners can choose the food they want and serve themselves. The Japanese-English Dictionary translates baikingu as “buffet” or “smorgasbord.”

In English, however, a Viking refers to a Scandinavian person who traveled by ship and raided or settled in parts of Europe, particularly from around the 8th to 11th centuries. The word has nothing to do with a style of dining.

Example:
このホテルの朝食はバイキングです。
Kono hoteru no choushoku wa baikingu desu.
–This hotel serves a breakfast buffet.

It is worth noting that a buffet refers to a style of dining in which diners serve themselves from a selection of dishes. When the emphasis is on being able to eat as much as desired, the term all-you-can-eat is used. In Japanese, this is called tabehoudai.

In Japanese, furonto is commonly used at hotels to refer to the desk where guests check in, check out, and take care of other procedures. It is a shortened form of “front desk,” which is translated as front desk or reception in English.

Example:
部屋の鍵をフロントに預けてください。
Heya no kagi o furonto ni azukete kudasai.
–Please leave your room key at the front desk.

The word front by itself refers to the front or face of a building or object in English. However, when the Japanese word furonto is used in a phrase such as “Go ask at the furonto,” it refers to the front desk rather than the front of a building. The Japanese-English Dictionary likewise lists “front desk” as the English equivalent of furonto when referring to a hotel reception.

When encountering katakana words that sound similar to English words, it is best not to assume that they share exactly the same meaning. Paying close attention to how they are used in context can help prevent misunderstandings.

Consulting a Japanese-English dictionary to find an English equivalent that matches the intended Japanese meaning, and then checking an English-English dictionary to confirm the meaning of the English word, can make the differences between the two words easier to understand. By examining how their meanings differ from those in English, learners can develop a more precise understanding of katakana words.

In this article, we explored several katakana words whose meanings differ between Japanese and English. Some readers may have come across words that they had assumed carried the same meaning in English.

Katakana words may seem easy to remember at first, but some have developed meanings and uses that are unique to Japanese. The key is to pay attention to how these words are used in actual conversations, rather than relying solely on their dictionary definitions.

At TCJ, lessons help students develop an understanding of the subtle nuances of Japanese that textbooks alone cannot fully convey, while also introducing practical and natural expressions commonly used in everyday life. Whenever students are unsure whether a particular expression sounds natural or carries the same meaning as its English counterpart, they are encouraged to consult their teachers at any time.

For those looking to develop a more precise understanding of Japanese and use the language with confidence, consider taking Japanese lessons at TCJ.

McIntosh, Colin, ed. (2013). Cambridge Advanced Learner’s Dictionary, 4th ed. Cambridge University Press.

南出康世 and 中邑光男, eds. (2022). Genius English-Japanese Dictionary, 6th ed. Taishukan Shoten.

南出康世 and 中邑光男, eds. (2011). Genius Japanese-English Dictionary, 3rd ed. Taishukan Shoten.

Cambridge Dictionary. “GLOBAL Japanese-English Dictionary” and “PASSWORD Japanese-English Dictionary.”
https://dictionary.cambridge.org/ja/dictionary/japanese-english/