scotch vs economical

scotch is a noun but economical is not a noun.

Word	Noun	Adjective	Verb	Adverb
scotch	Yes	Yes	Yes	No
economical	No	Yes	No	No

As adjectives, scotch and economical are synonyms defined as:

Other synonyms of scotch include frugal, sparing, stinting.

scotch (noun)	economical (noun)
a slight surface cut (especially a notch that is made to keep a tally)

scotch (adjective)	economical (adjective)
avoiding waste	of or relating to an economy, the system of production and management of material wealth
	using the minimum of time or resources necessary for effectiveness
	avoiding waste

scotch (verb)	economical (verb)
make a small cut or score into
hinder or prevent (the efforts, plans, or desires) of