词根：-ac-, -acu-, -acr-, -acer-, -acet-

【词根含义】：尖,酸

【词根来源】：-ac-来源于拉丁语动词aceo, acere, -, -(尖,酸); -acu-来源于拉丁语动词acu.o, acu.ere, acu.i, acut.us(使尖锐); -acr-和-acer-来源于希腊语形容词akros(最高的,末端的)和拉丁语形容词acer, acris(尖利的,辛辣的); -acet-来源于拉丁语名词acetum, aceti, n(醋)。均可追溯至原始印欧语ak-(尖,锋利)。

【同源单词】：acid, aciform, acme, acupuncture, acute

词根词缀：acro-, acr-

【来源及含义】Greek: high, highest, highest point; top, tip end, outermost; extreme; extremity of the body

【同源单词】acroagnosis, acroanesthesia, acroarthritis, acroasphyxia, acroataxia, acrobat

词根词缀：bas-, baso-, basi-, ba-, bat-

【来源及含义】Greek > Latin: stepping, to step, to go, to walk; a place where someone steps; a pedestal; a foot for stepping; foundation, ground, base

【同源单词】abasia, acrobat, base, base, based, bases

词根词缀：-ic

【来源及含义】Greek: a suffix; pertaining to; of the nature of, like; in chemistry, it denotes a higher valence of the element than is expressed by -ous

【同源单词】abdominocystic, abdominopelvic, abdominoscopy, abdominothoracic, abiogenetic, abiogenic