accelerate
add to
affirm
afford support
aggravate
attest
augment
authenticate
back
back up
bear
bear out
bear up
beef up
blow up
bolster
bolster up
brace
brace up
buoy up
buttress
carry
case harden
certify
circumstantiate
complicate
concentrate
condense
confirm
consolidate
corroborate
cradle
crutch
cushion
deepen
document
double
energize
enhance
enlarge
exacerbate
exaggerate
finance
fortify
fund
gird
give support
harden
heat up
heighten
reënforce
instruct
learn
teach
reinforced
reinforces
reinforcing
air-entrained
blue-and-gray
cast-in-place
cinderblock
corem
crushable
differentiable
facts
frosted-glass
hisher
oil-stained
prestressed
reinforced concrete
steel-grid
steel-reinforced
thermo-dump
unmagical
winglike
Corse
Force
Morse
Norse
bourse
coarse
corse
course
divorce
endorse
enforce
force
fourths
gift-horse
hoarse
horse
midcourse
morse
nourse
outsource
perforce
remorse
source