Nouns

(n)consortthe husband or wife of a reigning monarch
(n)choir, consorta family of similar musical instrument playing together

Verbs

(v)consort, associate, affiliate, assortkeep company with; hang out with“He associates with strange people”, “She affiliates with her colleagues”
(v)harmonize, harmonise, consort, accord, concord, fit in, agreego together“The colors don't harmonize”, “Their ideas concorded”
(v)run, consortkeep company“the heifers run with the bulls to produce offspring”