co-occurrent
coetaneous
coeval
coexistent
coexisting
coincident
coincidental
coinciding
concurrent
contemporaneous
contemporary
cooccurring
parallel
simultaneous
synchronic
synchronised
synchronized
accompanying
accordant
according
affirmative
agreeable
agreeing
answerable
associate
associated
assonant
assonantal
at one
at one with
attuned
blended
blending
chiming
coacting
coactive
coadunate
coherent
collaborative
collective
collusive
combined
combining
commensurate
compatible
concerted
concomitant
concordant
concurring
conformable
congenial
congruent
congruous
conjoint
consentaneous
consentient
consilient
consistent
consonant
conspiratorial
simultaneity
synchicity
synchronise
synchronize
synchronously
synchrony
8-bit
analog
asynchronous
brushless
digital
dual
geosynchronous
high-performance
high-speed
linear
long-distance
low-level
low-power
phase-locked
point-to-point
preset
rotational
sequential
serial
ultrasonic
urothelial