towing rope vs towrope

towing rope and towrope both are nouns.

Word	Noun	Adjective	Verb	Adverb
towing rope	Yes	No	No	No
towrope	Yes	No	No	No

As nouns, towing rope and towrope are synonyms defined as:

Other synonyms of towing rope include towing line, towline.

towing rope (noun)	towrope (noun)
(nautical) a rope used in towing	(nautical) a rope used in towing