词根词缀：ideo-

【来源及含义】Greek: idea, form, appearance; class, species, model; general principle

【相关词根词缀】 Inter-related cross references, directly or indirectly, involving word units dealing with "form, shape, appearance": eido-; figur-; form-; icono-; imag-; morpho-; -oid; typo-.

【同源单词】ideaphobia, ideocracy, ideofact, ideoglandular, ideogram, ideogrammatic

词根词缀：praxis-, -praxsis, -praxia, -praxic, -praxi-

【来源及含义】Greek > Latin: to do, to exercise, doing; action, activity, practice; the opposite of theory; from the stem of prassein, "to do, to act"

【同源单词】actinopraxis, agnostic apraxia, akinetic apraxia, amnesic apraxia, aphagopraxia, apraxia