Words formed from any letters in operation plus optional blank

a -

trapan₁₀

c -

toecap₁₂

trance₁₀

tropic₁₂

d -

tirade₇

toroid₇

torpid₁₀

trepid₁₀

trined₈

triode₇

tripod₁₀

e -

triene₇

g -

toeing₉

tonger₉

toping₁₂

triage₈

trigon₉

trogon₉

k -

troika₁₀

l -

toiler₇

tolane₈

tooler₇

trinal₈

triple₁₀

m -

trompe₁₂

n -

tonner₈

p -

topper₁₂

r -

torero₆

torpor₉

s -

tisane₇

toners₇

topers₉

tories₆

torose₆

trains₇

trapes₉

triens₇

trines₇

triose₆

tripes₉

tripos₉

tronas₇

trones₇

troops₉

tropes₉

t -

tooter₆

torten₇

triton₇

u -

triune₈

troupe₁₀

turnip₁₁

uniter₈

unripe₁₁

unroot₈

uprate₁₀

uproot₁₀

uptear₁₀

uptore₁₀

uptorn₁₁

utopia₁₀

v -

vainer₁₁

viator₁₀

w -

townie₁₀

twiner₁₀

waiter₉

wanier₁₀

wanter₁₀

weapon₁₃

winter₁₀

x -

toxine₁₄

y -

typier₁₁

z -

zanier₁₆

zeatin₁₆

zonate₁₆