mull vs reflect

mull is a noun but reflect is not a noun.

Word	Noun	Adjective	Verb	Adverb
mull	Yes	No	Yes	No
reflect	No	No	Yes	No

As verbs, mull and reflect are synonyms defined as:

mull (noun)	reflect (noun)
a term used in Scottish names of promontories

mull (verb)	reflect (verb)
reflect deeply on a subject	reflect deeply on a subject
heat with sugar and spices to make a hot drink	give evidence of the quality of
	give evidence of a certain behavior
	to throw or bend back (from a surface)
	manifest or bring back
	show an image of
	be bright by reflecting or casting light