“TAXPAID” is a valid word. — 17 points Scrabble

paidmarked by the reception of pay
dataa collection of facts from which conclusions may be drawn
taxia car driven by a person whose job is to take passengers where they want to go in exchange for money
pitausually small round bread that can open into a pocket for filling
ditaevergreen tree of eastern Asia and Philippines having large leathery leaves and small green-white flowers in compact cymes; bark formerly used medicinally
adita nearly horizontal passage from the surface into a mine
tapathe thin fibrous bark of the paper mulberry and Pipturus albidus
taxaanimal or plant group having natural relations
padi
atap
dipt

tipthe extreme end of something; especially something pointed
taxcharge against a citizen's person or property or activity for the support of government
pita sizeable hole (usually in the ground)
patthe sound made by a gentle blow
aida resource
tapthe sound made by a gentle blow
dipa depression in an otherwise level surface
pada number of sheets of paper fastened together along one edge
tada slight amount or degree of difference
apt(usually followed by `to') naturally disposed toward
piaperennial herb of East Indies to Polynesia and Australia; cultivated for its large edible root yielding Otaheite arrowroot starch
pax(Roman Catholic Church) a greeting signifying Christian love for those assisting at the Eucharist
ditthe shorter of the two telegraphic signals used in Morse code
pixa chest in which coins from the mint are held to await assay
dap
ait

itthe branch of engineering that deals with the use of computers and telecommunications to retrieve and store and transmit information
ata highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
ida state in the Rocky Mountains
paan informal term for a father; probably derived from baby talk
ada public promotion of some product or service
taa hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
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
axan edge tool with a heavy bladed head mounted across a handle
pithe ratio of the circumference to the diameter of a circle; approximately equal to 3.14159265358979323846...
aaa dry form of lava resembling clinkers
xithe cardinal number that is the sum of ten and one
tia light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite

TAXPAID