scald vs blister

scald and blister both are nouns.

Word	Noun	Adjective	Verb	Adverb
scald	Yes	No	Yes	No
blister	Yes	No	Yes	No

As verbs, scald and blister are synonyms defined as:

Other synonyms of scald include scorch, whip.

scald (noun)	blister (noun)
the act of burning with steam or hot water	(pathology) an elevation of the skin filled with serous fluid
a burn cause by hot liquid or steam	(botany) a swelling on a plant similar to that on the skin
	a flaw on a surface resulting when an applied substance does not adhere (as an air bubble in a coat of paint)

scald (verb)	blister (verb)
burn with a hot liquid or steam	get blistered
heat to the boiling point	cause blisters to form on
treat with boiling water	subject to harsh criticism
subject to harsh criticism