jumper lead vs booster cable

jumper lead and booster cable both are nouns.

Word	Noun	Adjective	Verb	Adverb
jumper lead	Yes	No	No	No
booster cable	Yes	No	No	No

As nouns, jumper lead and booster cable are synonyms defined as:

jumper lead and booster cable: a jumper that consists of a short piece of wire

Other synonyms of jumper lead include jumper cable, lead.

jumper lead (noun)	booster cable (noun)
a jumper that consists of a short piece of wire	a jumper that consists of a short piece of wire