Miser...Miserable

miser • miserly • mean/stingy

- It makes no sense to be mean/stingy with your money when you're alive and then leave a fortune to your heirs. (Not *miser*) (= ungenerous; miserly is literary)
- The old miser preferred to leave all his money to a dogs' home than to his children. (a miser is a mean or stingy person who hates giving anything and likes to hoard money and possessions)

miserable/wretched • poor

- Mother Teresa devoted her life to the poor. (= those without money; poor and miserable occurs as a fixed phrase in e.g. She lived to a poor and miserable old age.)
- I've had a cold for three weeks and I'm feeling miserable/wretched. (Not *poor*) (= very unhappy)