combine vs weld

combine and weld both are nouns.

Word	Noun	Adjective	Verb	Adverb
combine	Yes	No	Yes	No
weld	Yes	No	Yes	No

combine (noun)	weld (noun)
harvester that heads and threshes and cleans grain while moving across the field	a metal joint formed by softening with heat and fusing or hammering together
an occurrence that results in things being united	European mignonette cultivated as a source of yellow dye; naturalized in North America
a consortium of independent organizations formed to limit competition by controlling the production and distribution of a product or service

combine (verb)	weld (verb)
mix together different elements	unite closely or intimately
put or add together	join together by heating
combine so as to form a whole; mix
gather in a mass, sum, or whole
add together from different sources
join for a common purpose or in a common action
have or possess in combination