piet-, pious-

(Latin: from pius, dutiful, dutiful conduct; kind, kindness; devout; compassion)

pietism
pietist
piety
pious
piously
piteous
piteously
piteousness
pitiable (adjective), more pitiable, most pitiable
1. Inspiring helplessness or miserableness: Jane was in a pitiable condition by having both arms broken and in casts and having the flu at the same time!
2. Possible of causing both disrespect and sorrow: The pitiable and pathetic situation for the dwellers in the slums was hard to take for the visitors.
3. Subject to being poor or small: That little helping of ice cream was a pitiable amount in Tammy's bowl!
pitiably (adverb), more pitiably, most pitiably
Descriptive of how a person can create compassion or sympathy: The little baby cried pitiably after waking up after taking a nap in the afternoon.
pitiful
pitifully
pitifulness
pitiless
pitilessly