reflect vs mull over

reflect and mull over both are verbs.

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

As verbs, reflect and mull over are synonyms defined as:

Other synonyms of reflect include chew over, contemplate, excogitate, meditate, mull, muse, ponder, ruminate, speculate, think over.

reflect (verb)	mull over (verb)
reflect deeply on a subject	reflect deeply on a subject
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