volleyball (game) / a volleyball (ball used to play the game)

(historical) Himikoko/Himikuku, a semi-legendary king of 狗奴国 (Kuna-koku, “Kuna/Kunu”)

(linguistics) a specific historical consonantal shift of the Japanese language during the Heian Period, wherein many word-medial /f/ sounds changed to /w/ sounds

beach volleyball (sport)

(linguistics) a historical consonantal shift of the Japanese language involving the kana は/ハ (ha), ひ/ヒ (hi), ふ/フ (fu), へ/ヘ (he), and ほ/ホ (ho)