クヌギ

• コナラ

  Another common Japanese oak; leaves are more rounded and acorns are smaller than those of クヌギ.

• ドングリ

  Acorn in general; クヌギ produces one type of acorn.

• クヌギUsage62%
  kana-only spelling

  Katakana spelling is common for this tree name; usually written in kana.

• 櫟Usage17%iUsage for this spelling across all readings, not one reading alone.
  • くぬぎ

    Rare kanji form; also read くのぎ.

  • くのぎ
• 椚くぬぎUsage12%
  rarely-used kanji form

  Rarely used kanji form.

• くぬぎUsage9%

  Hiragana spelling, also common.

• 橡くぬぎ
  rarely-used kanji form

  Rarely used kanji form.

• 櫪くぬぎ
  rarely-used kanji form

  Rarely used kanji form.

• 椢くぬぎ
  rarely-used kanji form

  Rarely used kanji form.

• 槶くぬぎ
  rarely-used kanji form

  Rarely used kanji form.

• くのぎ

The origin of the word クヌギ is uncertain. It may be related to くに (country) or くぬ (to pile up), but these are speculative.