Top matchCommonJLPT N2かい貝kaiNounshellfish私が手にしてるのは貝の化石です。What I have in my hand is a fossil seashell.seashell; shellsee 貝殻Also written 介【かい】kaiCopy Listen Pitch on OJAD Explore
貝バイbaiNounJapanese Babylon (Babylonia japonica); Japanese ivory shell · spinning top (traditionally made from a Japanese Babylon shell)