(orthography) a letter / (orthography) a jamo

(Buddhism) Short for 菩提薩埵 (bodai-satta): a bodhisattva / (obsolete) a title granted by the imperial court to notably virtuous high-ranking monks

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).