個（こ、ko）
- ~pieces (general counter)

The Japanese word 個 (こ) is a counter word used to count individual, separate items, or units. It's similar to "piece," "item," or "individual" in English. It's used for counting a wide variety of things, especially things that are discrete and can be counted as separate entities. Think of it as a basic unit for counting.

⚫︎ りんごが 2個あります。 Translation: There are two apples. ⚫︎ ケーキを 3個食べました。 Translation: I ate three pieces of cake. ⚫︎ 鉛筆を 10個買いました。 Translation: I bought ten pencils.

⚫︎個 (こ) is used in conjunction with a number. You place the number before the word 個 (こ). ⚫︎ It is used when you are counting things that can be separated and considered as individual units. ⚫︎ This can include things like apples, pencils, chairs, or any other distinct object. ⚫︎ Make sure you pronounce it as こ when it functions as a counter word.

⚫︎ The kanji for 個 is 個. ⚫︎ The hiragana reading is こ. ⚫︎ There are no variations in the okurigana (suffix hiragana). ⚫︎ You will almost always see it written using the kanji 個.

There aren't many direct synonyms, as 個 is a specific counter. However, you might use other counters depending on the item: ⚫︎ つ (tsu) - a general counter, suitable for many items but less precise. ⚫︎ 本 (hon) - used for long, thin objects (pencils, bottles). ⚫︎ 枚 (mai) - used for flat, thin objects (paper, shirts).

There are no direct antonyms for 個. It is a counter word, and its function is to quantify.

この店には、クッキーが 5個あります。 ・Translation: There are five cookies in this store. ・Explanation: This sentence uses 個 to count individual cookies.

プレゼントを 1個もらいました。 ・Translation: I received one present. ・Explanation: The sentence uses 個 to count individual presents.

The kanji 個 is composed of the radical 人 (person/individual) and the phonetic component 固 (kaku), which means "hard" or "firm." Over time, it came to represent "individual things." The meaning evolved to include the sense of separate, distinct items.