Meaning ‘fold’, ‘braid’

plexplypliplic
complex
complexion
duplex
multiplex
perplex
perplexity
plexus
simplex
apply
imply
misapply
multiply
ply
reapply
reply
simplify
pliable
pliant
plight
accomplice
application
complicate
complication
complicity
duplicate
duplication
duplicity
explicate
explicit
implicate
implications
implicit
misapplication
multiplication
quadruplication
reapplication
reduplicate
reduplication
replica
replicate
simplification
triplicate