词根词缀：acantho-, acanth-, -acanth, -acanths, -acanthid, -acanthous

【来源及含义】Greek: used either as a prefix or as a suffix; pointed appendages; spine, spiny; thorn, thorny

【同源单词】acanth, acantha, acanthaceous, acanthamebiasis, acanthamoeba, acanthesthesia

词根词缀：aesth-, esth-, aesthe-, esthe-, aesthesio-, esthesio-, aesthesia-, -esthesia, -aesthetic, -esthetic, -aesthetical, -esthetical, -aesthetically, -esthetically

【来源及含义】Greek: feeling, sensation, perception

【相关词根词缀】 Related-word units meaning feeling: senso-; pass-, pati-; patho-.

【同源单词】acanthesthesia, acatamathesia, acenesthesia, acmesthesia, acmesthetic, acouesthesia