modest vs small-scale

modest and small-scale both are adjectives.

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

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

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

modest (adjective)	small-scale (adjective)
not offensive to sexual mores in conduct or appearance	relatively moderate, limited, or small
marked by simplicity; having a humble opinion of yourself	created or drawn on a small scale
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