paraffin oil vs lamp oil

paraffin oil and lamp oil both are nouns.

Word	Noun	Adjective	Verb	Adverb
paraffin oil	Yes	No	No	No
lamp oil	Yes	No	No	No

As nouns, lamp oil is a hypernym of paraffin oil; that is, lamp oil is a word with a broader meaning than paraffin oil:

Other hypernyms of paraffin oil include coal oil, kerosene, kerosine.

paraffin oil (noun)	lamp oil (noun)
(British usage) kerosine	a flammable hydrocarbon oil used as fuel in lamps and heaters