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：odyn-, odyno-, -odynia, -odynic,-odyne, -odyn, -dyne, -dynia

【来源及含义】Greek: οδυνη, pain

【相关描述】Usually limited to medical terms. Original meaning is literally "that which eats or consumes".

【相关词根词缀】 Cross references related to "pain, hurt; suffering, injury" word families: -agra; algesi-; algo-; angina-; dolor-; Masochism; noci-; poen-; pono- (toil, work; pain); Sadism.

【同源单词】achillodynia, acrodynia, acrotrophodynia, adenodynia, aero-odontodynia, allodynia