reflect vs mull

reflect is not a noun while mull is a noun.

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

As verbs, reflect and mull are synonyms defined as:

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

reflect (verb)	mull (verb)
reflect deeply on a subject	reflect deeply on a subject
give evidence of the quality of	heat with sugar and spices to make a hot drink
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