词根词缀：-oid, -oidal, -oidism, -odic
【来源及含义】Greek: a suffix; like, resembling, similar to, form
【相关词根词缀】 Inter-related cross references, directly or indirectly, involving word units dealing with "form, shape, appearance": eido-; figur-; form-; icono-; ideo-; imag-; morpho-; typo-.
【同源单词】acanthoid, acanthozooid, acaroid, acidoid, acromegaloidism, acrostichoid
词根词缀：-ploid-, -ploidy-, -plo-
【来源及含义】Greek: a fold; folded
【同源单词】alloploidy, amphidiploidy, aneuploid, aneuploidy, autoploid, diploidy
词根词缀：tri-, tre-
【来源及含义】Greek > Latin: a numerical prefix meaning, three, thrice, threefold; triple; a word element for number 3
【相关词根词缀】 Cross references of word families that are related, partially or totally, to: "three, third": terce-; terti-; trigono-; trito-.