词根词缀：a-, an-

【来源及含义】Greek: prefix; no, absence of, without, lack of; not

【相关描述】These prefixes are normally used with elements of Greek origin, a- is used before consonants and an- is used before vowels.

It affects the meanings of hundreds of words.

There are too many words that use these prefix elements to list all of them on this site; however, there are significant examples listed in this and the other units where they exist.

【同源单词】abacterial, abaptism, abarognosis, abasia, abiocoen, abiogenesis

词根词缀：thymo-2, thym-, -thymia (emotions)

【来源及含义】Greek: thymos, spirit, soul; courage; breath, mind, emotions

【相关词根词缀】Inter-related cross references, directly or indirectly, involving the "mind, mental" word units: anima-; anxi-; deliri-; hallucina-; menti-; moro-; noo-; nous; phreno-; psych-.

【同源单词】agonothymia, agonothymic, agriothymia, athymia, athymos, cacothymia