concurrent (adj.)

• accessory
• accompanying
• accordant
• aligned
• analogous
• approaching
• associate
• asymptotic
• attendant
• centripetal
• coetaneous
• coeval
• coexistent
• coexisting
• coextensive
• coincident
• collaborative
• collateral
• collective
• collectivist
• collectivistic
• collusive
• combined
• combining
• commensal
• common
• communal
• communist
• communistic
• compact
• comprehensive
• concerted
• concomitant
• concordant
• concurring
• confluent
• conjoint
• conjugate
• conjunct
• conniving
• consentaneous
• conspiratorial
• contemporaneous
• contemporary
• conterminous
• cooperative
• coordinate
• corporate
• correlative
• coterminous
• coupled
• ecumenic
• equal
• equidistant
• even
• fellow
• focal
• harmonious
• harmonized
• inclusive
• isochronal
• isochronous
• joined
• joint
• like-minded
• meeting
• mutual
• noncompetitive
• nonconvergent
• paired
• parallel
• parasitic
• radial
• radiating
• reciprocal
• saprophytic
• simultaneous
• solid
• symbiotic
• synchronal
• synchronic
• synchronous
• synergetic
• synergic
• synergistic
• tangential
• twin
• unanimous
• unchallenged
• uncompetitive
• uncontested
• united
• unopposed