词根词缀：acid-, acidi-, acido-, -acidity

【来源及含义】Latin: sour [sharp]

【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "sour, sharp": acerb-; acies- (not "sour"); acuto- (not "sour"); oxy-; pung- (not "sour").

【同源单词】acid, acid rain, acid test, acidalbumin, acidaminuria, acidemia

词根词缀：butyro-, butyr-

【来源及含义】Greek > Latin: butter; from bou[s] , "ox, cow" plus tyro[s], "cheese"

【同源单词】arachibutyrophobia, butter, butyraceous, butyrate, butyric, butyric acid