The word しかく (shikaku) in Japanese means "square" in English. However, there are several homonyms of しかく that have different meanings, but are pronounced the same way. Here is a list of all the homonyms of しかく that I could think of: 1. 四角 (shikaku) - as mentioned, this means "square" in English and refers to the shape with all sides the same length and all angles right angles. 2. 死角 (shikaku) - this word means "blind spot" in English and is used to describe a spot where one cannot see. 3. 色角 (shikaku) - this is an outdated term for a person who acted as an intermediary between the emperor and his ministers. 4. 四角形 (shikakukei) - this term also means "square" in English, but is a more technical way of referring to the shape. 5. 式格 (shikaku) - this word means "disposition" or "character" and refers to a person's nature or the way they conduct themselves. 6. 飼育 (shiku) - this term means "raising (animals)" and is often used in the context of pet care. 7. 鹿角 (shika kaku) - this compound word refers to the antlers of a deer. The kanji for "deer" (鹿) is used to distinguish this word from the others. 8. 歯角 (hagane kaku) - this word refers to the edges of a cutting tool, such as a knife or scissors. The kanji for "teeth" (歯) is used to distinguish this word from the others. In conclusion, there are at least eight homonyms of しかく in Japanese, each with a different meaning and context. It is important to understand the nuances of these words in order to communicate effectively in Japanese.