handicap vs drag

handicap and drag both are nouns.

Word	Noun	Adjective	Verb	Adverb
handicap	Yes	No	Yes	No
drag	Yes	No	Yes	No

As nouns, drag is a hyponym of handicap; that is, drag is a word with a more specific, narrower meaning than handicap:

handicap: something immaterial that interferes with or delays action or progress
drag: something that slows or delays progress

Other hyponyms of handicap include albatross, millstone, bind, diriment impediment, obstacle, obstruction, straitjacket.

handicap (noun)	drag (noun)
advantage given to a competitor to equalize chances of winning	the act of dragging (pulling with force)
something immaterial that interferes with or delays action or progress	a slow inhalation (as of tobacco smoke)
the condition of being unable to perform as a consequence of physical or mental unfitness	clothing that is conventionally worn by the opposite sex (especially women's clothing when worn by a man)
	something tedious and boring
	something that slows or delays progress
	the phenomenon of resistance to motion through a fluid

handicap (verb)	drag (verb)
injure permanently	proceed for an extended period of time
put at a disadvantage	persuade to come away from something attractive or interesting
attempt to forecast the winner (especially in a horse race) and assign odds for or against a contestant	suck in or take (air)
	pull, as against a resistance
	draw slowly or heavily
	search (as the bottom of a body of water) for something valuable or lost
	to lag or linger behind
	walk without lifting the feet
	move slowly and as if with great effort
	use an input device to move objects on the screen, or to select items (such as commands from a menu); drag the slider to increase or decrease rate; drag the handles on the image to resize it
	force into some kind of situation, condition, or course of action