consort (n.)
- accompanist
- accompanyist
- accord
- accordance
- ace
- adjunct
- affinity
- agreement
- ally
- amigo
- assent
- associate
- attendant
- bedfellow
- brother
- buddy
- bunkmate
- butty
- chime
- chorus
- chum
- classmate
- coadjutor
- coherence
- cohort
- coincidence
- colleague
- companion
- company
- compatibility
- compatriot
- compeer
- comrade
- concert
- concomitant
- concord
- concordance
- confederate
- conformance
- conformation
- conformity
- confrere
- congeniality
- congruence
- congruity
- consistency
- consonance
- cooperation
- copartner
- correspondence
- crony
- diapason
- dovetail
- equivalence
- euphony
- fellow
- gossip
- harmonics
- harmony
- homophony
- intersection
- march
- mate
- messmate
- monody
- oneness
- overlap
- pal
- parallelism
- pard
- pardner
- partner
- peace
- playfellow
- playmate
- rapport
- roommate
- schoolfellow
- schoolmate
- shipmate
- sidekick
- spouse
- square
- symmetry
- symphony
- sync
- synchronism
- synchronization
- tally
- teammate
- timing
- tune
- uniformity
- union
- unison
- workfellow