词根词缀：cnem-, cnemo-, cnemi-; knem-, knemo-, knemi-

【来源及含义】Greek: the part of the leg between the knee and the ankle

【同源单词】acnemia, anticnemion, brachycnemic, cnemial, cnemitis, entocnemial

词根词缀：cnesto-, cneso-, cnes-, cniso-, cnis-, -cnesmia, -cnismo

【来源及含义】Greek: scratch, tickle, itch, sting

【同源单词】cnesagenous, cnesogenous, cnesomania, cnisma, cnismosis, odontocnesis

词根词缀：cnid-, cnido-

【来源及含义】Greek: nettle; a relationship to a nettle or nettle-like structure; nettle rash

【同源单词】cnida, cnidaria, cnidarian, cnidocyte, cnidophobia, cnidosis

词根词缀：pycn-, pycno-, pykn-, pykno-

【来源及含义】Greek: close, compact, thick, dense; frequent

【同源单词】desmopyknosis, pyknemia, pyknic, pyknocyte, pyknocytosis, pyknodysostosis