DANGER (verb)
ENDANGER
BAD (verb)
WORSEN
FAST (adv)
FAST
WAKE (adj)
AWAKE
WEIGH (noun)
WEIGHT
LONG (verb)
LENGTHEN
NEW (noun)
NEWNESS
BAD (adv)
BADLY
STRONG (verb)
STRENGTHEN
SLEEP (adj)
SLEEPY - SLEEPLESS
FRIEND (verb)
BEFRIEND
CARE (adj)
CAREFUL - CARELESS
EMPLOY (negative noun)
UNEMPLOYMENT
MOUNTAIN (adj)
MOUNTAINOUS
SURE (verb)
ENSURE
DEEP (noun)
DEPTH
HIGH (noun)
HEIGHT
GOOD (adv)
WELL
SAFE (noun)
SAFETY
PAY (noun)
PAYMENT
WOOD (adj)
WOODEN
FREE (noun)
FREEDOM
QUICK (verb)
QUICKEN
SHORT (verb)
SHORTEN