词根词缀：-ance, -ancy

【来源及含义】Latin: often through French, quality or state of; being; condition; act or fact of _______ ing; a suffix that forms nouns

【同源单词】aberrance, absorbance, absorptance, abundance, acceptance, accordance

词根词缀：rachio-, rachi-, rach-, rachis-, rhach-, rhachi-, rhachio-

【来源及含义】Greek > Latin: spine, backbone

【同源单词】rachial, rachialgia, rachianalgesia, rachianesthesia, rachicentesis, rachidial