elf vs hob

elf and hob both are nouns.

Word	Noun	Adjective	Verb	Adverb
elf	Yes	No	No	No
hob	Yes	No	Yes	No

As nouns, elf and hob are synonyms defined as:

Other synonyms of elf include brownie, gremlin, imp, pixie, pixy.

elf (noun)	hob (noun)
(folklore) fairies that are somewhat mischievous	a shelf beside an open fire where something can be kept warm
	a hard steel edge tool used to cut gears
	(folklore) a small grotesque supernatural creature that makes trouble for human beings
	(folklore) fairies that are somewhat mischievous

elf (verb)	hob (verb)
	cut with a hob