pound vs constrain

pound is a noun but constrain is not a noun.

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

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

pound: place or shut up in a pound
constrain: to close within bounds, or otherwise limit or deprive of free movement

Other hypernyms of pound include confine, hold, restrain.

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

pound: shut up or confine in any enclosure or within any bounds or limits
constrain: to close within bounds, or otherwise limit or deprive of free movement

Other hypernyms of pound include confine, hold, restrain.

pound (noun)	constrain (noun)
the act of pounding (delivering repeated heavy blows)
a public enclosure for stray or unlicensed dogs
a symbol for a unit of currency (especially for the pound sterling in Great Britain)
a nontechnical unit of force equal to the mass of 1 pound with an acceleration of free fall equal to 32 feet/sec/sec
the basic unit of money in Great Britain and Northern Ireland; equal to 100 pence
the basic unit of money in Cyprus; equal to 100 cents
the basic unit of money in Egypt; equal to 100 piasters
formerly the basic unit of money in Ireland; equal to 100 pence
the basic unit of money in Lebanon; equal to 100 piasters
the basic unit of money in the Sudan; equal to 100 piasters
the basic unit of money in Syria; equal to 100 piasters
16 ounces avoirdupois
a unit of apothecary weight equal to 12 ounces troy

pound (verb)	constrain (verb)
break down and crush by beating, as with a pestle	severely restrict in scope or extent
hit hard with the hand, fist, or some heavy instrument	to close within bounds, or otherwise limit or deprive of free movement
strike or drive against with a heavy impact	compel to behave in a certain way
place or shut up in a pound
shut up or confine in any enclosure or within any bounds or limits
partition off into compartments
move rhythmically
move heavily or clumsily