replicate vs geminate

replicate is not a noun while geminate is a noun.

Word	Noun	Adjective	Verb	Adverb
replicate	No	No	Yes	No
geminate	Yes	No	Yes	No

As verbs, geminate is a hyponym of replicate; that is, geminate is a word with a more specific, narrower meaning than replicate:

Other hyponyms of replicate include copy, replicate, recapitulate, reduplicate.

replicate (noun)	geminate (noun)
	a doubled or long consonant

replicate (verb)	geminate (verb)
make or do or perform again	arrange or combine in pairs
reproduce or make an exact copy of	arrange in pairs
bend or turn backward	occur in pairs
	form by reduplication