razor vs safety razor

razor and safety razor both are nouns.

Word	Noun	Adjective	Verb	Adverb
razor	Yes	No	Yes	No
safety razor	Yes	No	No	No

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

Other hyponyms of razor include electric razor, electric shaver, shaver, straight razor.

razor (noun)	safety razor (noun)
edge tool used in shaving	a razor with a guard to prevent deep cuts in the skin

razor (verb)	safety razor (verb)
shave with a razor