トウ, ズ, ト, あたま, かしら, がしら, かぶり, かみ, がみ, ちゃん, つむり, づ
head, counter for large animals
JLPT3 G2 S16 F433
豆# bean + 頁 head → bean-shaped *head* → *head* (of a group); *leader*; *top*. Also, *hair* (on the head), *beginning* (compare 元), *brains*, *intellect* and *the mind*, as well as *counter for certain animals* (compare English "head of cattle").
[Full Kanji Etymology List]