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：ichthyo-, ichthy-, -ichth-

【来源及含义】Greek: fish

【同源单词】ichthic, ichthism, ichthus, ichthyarchy, ichthyoacanth, ichthyoacanthotoxin

词根词缀：toxico-, toxic-, toxi-, tox-, toxin-, -toxically, -toxaemia, -toxemia, -toxaemic, -toxemic, -toxical, -toxy, -toxis, -toxicosis, -toxism, -toxia, -toxin, -toxicity

【来源及含义】Greek: poison

【相关词根词缀】 A cross reference of another word family that is related directly, or indirectly, with: "poison": veno-; viru-.

【同源单词】abstemious, acarotoxic, acetyldigitoxin, actinotoxemia, actinotoxin, adrenotoxin