蚁 (w)

(yǐ) ant

蚁丘 (w)

(yǐqiū) anthill

蚁酸 (w)

(yǐsuān) formic acid

蚁斗蜗争 (w)

(yǐdòuwōzhēng) lit. the ant fights, the snail contends (idiom); fig. petty squabbling