verb
They compound curry powder from different spices
Sometimes two words compound to form one, as in 'ingrown', 'outgrow', and 'uptake'
Demanding your money back now will only compound the problem
adjective
The compound eye of the fly / Lets it see far better than I. A compound sentence is composed of two or more clauses joined by one or more coordinating conjunctions, express or understood
noun
Table salt is a compound of the metallic element sodium and the gaseous element chlorine. 'Slithy' is a compound of 'slimy' and 'writhe'
US