safflower oil vs vegetable oil

safflower oil and vegetable oil both are nouns.

Word	Noun	Adjective	Verb	Adverb
safflower oil	Yes	No	No	No
vegetable oil	Yes	No	No	No

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

safflower oil: oil from seeds of the safflower plant
vegetable oil: any of a group of liquid edible fats that are obtained from plants

Other hypernyms of safflower oil include oil.

safflower oil (noun)	vegetable oil (noun)
oil from seeds of the safflower plant	any of a group of liquid edible fats that are obtained from plants
oil from safflower seeds used as food as well as in medicines and paints