“IMPAIR” is a valid word. — 10 points Scrabble

paira set of two similar things considered as a unit
rampan inclined surface connecting two levels
amiran independent ruler or chieftain (especially in Africa or Arabia)
prama small vehicle with four wheels in which a baby or child is pushed around
ramithe posterior part of the mandible that is more or less vertical
primassume a prim appearance
mirilittle known Kamarupan languages
mair
pimaa member of the North American Indian people living in southern Arizona and northern Mexico
impi

aira mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of
arma human limb; technically the part of the superior limb between the shoulder and the elbow but commonly used to refer to the whole superior limb
mapa diagrammatic representation of the earth's surface (or part of it)
ripa dissolute man in fashionable society
aiman anticipated outcome that is intended or that guides your planned actions
ramthe most common computer memory which can be used by programs to perform necessary tasks while the computer is on; an integrated circuit memory chip allows information to be stored or accessed in any order and all storage locations are equally accessible
rapa reproach for some lapse or misdeed
pam
par(golf) the standard number of strokes set for each hole on a golf course, or for the entire course
rimthe shape of a raised edge of a more or less circular object
ami
marthe month following February and preceding April
ampthe basic unit of electric current adopted under the Systeme International d'Unites
piaperennial herb of East Indies to Polynesia and Australia; cultivated for its large edible root yielding Otaheite arrowroot starch
ria
mir
imp(folklore) fairies that are somewhat mischievous

ama radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms
mainformal terms for a mother
paan informal term for a father; probably derived from baby talk
midestruction of heart tissue resulting from obstruction of the blood supply to the heart muscle
aian agency of the United States Army responsible for providing timely and relevant and accurate and synchronized intelligence to tactical and operational and strategic level commanders
ara colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere
pithe ratio of the circumference to the diameter of a circle; approximately equal to 3.14159265358979323846...

IMPAIR