formulate vs lexicalise

formulate and lexicalise both are verbs.

Word	Noun	Adjective	Verb	Adverb
formulate	No	No	Yes	No
lexicalise	No	No	Yes	No

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

formulate: put into words or an expression
lexicalise: make or coin into a word or accept a new word into the lexicon of a language

Other hyponyms of formulate include ask, lexicalize, dogmatise, dogmatize, formularise, formularize, cast, couch, frame, put, redact.

formulate (verb)	lexicalise (verb)
put into words or an expression	make or coin into a word or accept a new word into the lexicon of a language
elaborate, as of theories and hypotheses
come up with (an idea, plan, explanation, theory, or principle) after a mental effort
prepare according to a formula