progress vs headway

progress and headway both are nouns.

Word	Noun	Adjective	Verb	Adverb
progress	Yes	No	Yes	No
headway	Yes	No	No	No

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

Other hyponyms of progress include head.

progress (noun)	headway (noun)
the act of moving forward (as toward a goal)	forward movement
gradual improvement or growth or development	vertical space available to allow easy passage under something
a movement forward

progress (verb)	headway (verb)
develop in a positive way
form or accumulate steadily
move forward, also in the metaphorical sense