a bolt (metal fastener)

volt (unit of measure)

avocado

bokken (a wooden sword used for training)

bokken (a wooden sword used for training)

(accounting) bookkeeping

(obsolete, phonology) one of the five morae of the あ行 (agyō, “a-row”), that consists solely of a vowel / (phonetics, phonology) a vowel

The katakana syllable ボ (bo). Its equivalent in hiragana is ぼ (bo).

an oyster / roasted and powdered oyster shell, used in antacids, sedatives, and as a bird feed additive

mother and child