enchain vs constrain

enchain and constrain both are verbs.

Word	Noun	Adjective	Verb	Adverb
enchain	No	No	Yes	No
constrain	No	No	Yes	No

As verbs, constrain is a hypernym of enchain; that is, constrain is a word with a broader meaning than enchain:

enchain: restrain or bind with chains
constrain: to close within bounds, or otherwise limit or deprive of free movement

Other hypernyms of enchain include confine, hold, restrain.

enchain (verb)	constrain (verb)
restrain or bind with chains	severely restrict in scope or extent
	to close within bounds, or otherwise limit or deprive of free movement
	compel to behave in a certain way