Answer:
synonym for pain are..
ache
agony
burn
cramp
discomfort
fever
illness
injury
irritation
misery
sickness
soreness
spasm
strain
tenderness
torment
trouble
twinge
wound
Synonyms for thoughtless are...
antisocial
boorish
impolite
indiscreet
insensitive
reckless
rude
synonyms for hurt are...
aching
sore
bruised
cut
agonized