overshadow vs becloud

overshadow and becloud both are verbs.

Word	Noun	Adjective	Verb	Adverb
overshadow	No	No	Yes	No
becloud	No	No	Yes	No

As verbs, becloud is a hypernym of overshadow; that is, becloud is a word with a broader meaning than overshadow:

Other hypernyms of overshadow include befog, cloud, fog, haze over, mist, obnubilate, obscure.

overshadow (verb)	becloud (verb)
cast a shadow upon	make less visible or unclear
be greater in significance than
make appear small by comparison