6-Letter Word-Change one or two letters make a new word

sample

pimple

pamper

apples

uppers

rubles

Burped

purple

Rupee

pauper

reaper

arrear

errors

terror

orrery

Retort

Rotten

rotter

(Hey buddha, thanx for post #895,
I may have learned something)

otters

(happy to oblidge…)

mother