“UPWAFT” is a valid word. — 14 points Scrabble

wafta long flag; often tapering
tufaa soft porous rock consisting of calcium carbonate deposited from springs rich in lime

putthe option to sell a given stock (or stock index or commodity future) at a given price before a given date
fata soft greasy substance occurring in organic tissue and consisting of a mixture of lipids (mostly triglycerides)
patthe sound made by a gentle blow
tapthe sound made by a gentle blow
pawa clawed foot of an animal especially a quadruped
aft(nautical, aeronautical) situated at or toward the stern or tail
apt(usually followed by `to') naturally disposed toward
tauthe 19th letter of the Greek alphabet
wat
utaa reptile genus of Iguanidae
twa
tupuncastrated adult male sheep
tawthe 23rd letter of the Hebrew alphabet
wap

upraise
ata highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
aw
paan informal term for a father; probably derived from baby talk
taa hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
fathe syllable naming the fourth (subdominant) note of the diatonic scale in solmization
utthe local time at the 0 meridian passing through Greenwich, England; it is the same everywhere

UPWAFT