small-scale vs modest

small-scale and modest both are adjectives.

Word	Noun	Adjective	Verb	Adverb
small-scale	No	Yes	No	No
modest	No	Yes	No	No

As adjectives, small-scale and modest are synonyms defined as:

Other synonyms of small-scale include minor, pocket-size, pocket-sized, small.

small-scale (adjective)	modest (adjective)
relatively moderate, limited, or small	not offensive to sexual mores in conduct or appearance
created or drawn on a small scale	marked by simplicity; having a humble opinion of yourself
	humble in spirit or manner; suggesting retiring mildness or even cowed submissiveness
	low or inferior in station or quality
	relatively moderate, limited, or small
	not large but sufficient in size or amount
	free from pomp or affectation