単語屋Tangoya, “the word shop”

concave

On オウ

Kun くぼ(む) · へこ(む) · ぼこ

5 strokes · secondary school

WORDS, BY HOW 凹 IS READ

ぼこ 1 word

Kanji: KANJIDIC2 (EDRDG), CC BY-SA 4.0 · KanjiVG · Kanjium · Wiktionary