assimilator vs nerd

assimilator and nerd both are nouns.

Word	Noun	Adjective	Verb	Adverb
assimilator	Yes	No	No	No
nerd	Yes	No	No	No

As nouns, nerd is a hyponym of assimilator; that is, nerd is a word with a more specific, narrower meaning than assimilator:

assimilator: someone (especially a child) who learns (as from a teacher) or takes up knowledge or beliefs
nerd: an insignificant student who is ridiculed as being affected or boringly studious

Other hyponyms of assimilator include memoriser, memorizer, quick study, sponge, dweeb, grind, swot, wonk, tutee.

assimilator (noun)	nerd (noun)
someone (especially a child) who learns (as from a teacher) or takes up knowledge or beliefs	an insignificant student who is ridiculed as being affected or boringly studious
	an intelligent but single-minded expert in a particular technical field or profession