木の実（きのみ、kinomi）
- nut / berry

The Japanese word 木の実, read as きのみ, refers to "nuts" or "fruits of trees." It encompasses any edible fruit or seed produced by a tree. This includes a wide variety, from acorns and chestnuts to walnuts and even some types of berries. Basically, it's any fruit or seed that comes directly from a tree that is typically consumed by animals or humans. The definition emphasizes a tree as the source.

⚫︎リスは木の実を食べるのが好きです。 Translation: Squirrels like to eat [nuts]. ⚫︎秋には、木の実を拾うことができます。 Translation: In autumn, you can gather [nuts]. ⚫︎このケーキには、たくさんの木の実が入っています。 Translation: This cake has a lot of [nuts] in it.

You use 木の実 when talking about nuts or the fruits of trees. It's a general term and can be used in various contexts. It's suitable for describing foods, activities like gathering, or natural environments. If the specific type of nut is known, you'd usually mention the kind of 木の実; for instance, 栗（くり）の木の実 (chestnut).

木の実 is typically written with the kanji 木 (ki - tree) and 実 (mi - fruit/seed/reality), and the reading きのみ (hiragana). The okurigana (the suffix hiragana) is standard. There are no significant variations in its writing.

There aren't many direct synonyms for 木の実 that capture its general meaning. Depending on context, you might use more specific words: ⚫︎ ナッツ (nattsu) - nuts (loanword from English) ⚫︎ 果実（かじつ） - fruit

There is not a direct antonym. You might contrast it with other types of food or ingredients, but no single word has the opposite meaning.

公園で木の実を拾う子供たちを見ました。 ・Translation: I saw children gathering [nuts] in the park. ・Explanation: This sentence uses 木の実 to describe a common autumn activity.

木の実のアレルギーがある人は、注意が必要です。 ・Translation: People with [nut] allergies need to be careful. ・Explanation: This sentence highlights the importance of recognizing 木の実 when considering potential allergies.

The word 木の実 is a combination of two kanji: 木 (ki) meaning "tree" or "wood," and 実 (mi) meaning "fruit," "seed," or "reality." Therefore, the etymology directly reflects the meaning; [fruit] (seed) of the [tree].