As nouns the difference between grandfather and pappy
is that grandfather
is a father of someone’s parent while pappy
is (colloquial|regional) father.
As a verb grandfather
is to retain existing laws or rules only for those people or organisations that were previously affected by them, and apply new laws or rules to the unaffected people or organisations.
As a adjective pappy is
like pap; soft; succulent; tender.
Other Comparisons: What's the difference?
A father of someone’s parent.
(by extension) A male forefather.
* granddad, grandad, grandaddy
* grandpa, granpa, grandpappy, granpappy, gramps
* (with regard to gender) grandmother
* (with regard to ancestry) grandson, granddaughter, grandchild
* paternal grandfather
* maternal grandfather
* grandfather clock
* grandfather clause
* great grandfather, great-grandfather
From (m). See etymology 1 and (m).
To retain existing laws or rules only for those people or organisations that were previously affected by them, and apply new laws or rules to the unaffected people or organizations.
Like pap; soft; mushy.
(colloquial, regional) father
(colloquial, regional) grandfather