jiǎ

first of the ten Heavenly Stems [[十天干<shítiāngān>]] / (used for an unspecified person or thing) / first (in a list, as a party to a contract etc) / letter "A" or roman "I" in list "A, B, C", or "I, II, III" etc / armor plating / shell or carapace / (of the fingers or toes) nail / bladed leather or metal armor (old) / ranking system used in the Imperial examinations (old) / civil administration unit (old)

zhǐjia

fingernail

jiǎbǎn

deck (of a boat etc)

kuījiǎ

armor / body armor and helmet

jiǎchóng

beetle

xiūzhǐjia

manicure

zhǐjiǎ

toenail

jiǎjī

methyl group (chemistry)

jiǎwán

methane CH4

jiǎgǔwén

oracle script / oracle bone inscriptions (an early form of Chinese script)