词根词缀：-less

【来源及含义】Old English: -leas, from leas, "free from, devoid of, false, feigned"; suffix meaning "lacking"

【同源单词】aimless, artless, avoidless, causeless, ceaseless, charmless

词根词缀：poen-, peno-, poino-, poin-, puni-, pain-, penal-, pent-

【来源及含义】Greek > Latin: pain, punishment, penalty

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

【同源单词】counterpunch, impunity, Nemo debet bis puniri pro uno delicto, pain, painful, painfully