词根词缀：-ist

【来源及含义】Greek > Latin: a suffix; one who believes in; one who is engaged in; someone who does something

【同源单词】abiogenist, abolitionist, abortionist, abrakophile, absolutist, absurdist

词根词缀：pand-, pans-, pass-

【来源及含义】Latin: stretch, stretching; spread, spreading

【同源单词】expand, expander, expanse, expansibility, expansible, expansibleness