recti-
straught
straicht
straighten out
straighten
due
straightish
straight as a die
arrow-straight
rectilinear
linearly
aligned
ramrod straight
filarial
straighten up
ortho-
orthognathous
like a martin to his gourd
orthosomatic
stooge
tangent
straightwise
rectiradiate
unstraight
costraight
bendless
enfilade
straightways
directly
repair
straightfacedly
amend
rectify
remedy
remediate
straight-backed
straitly
strickly
uncrooked
erectly
straightening
slap
bang
dreckly
bolt
straightforth
slapdash
Dreckly
smack
straight as an arrow