Words formed from any letters in refractable plus optional blank

d -

treader₈

treadle₉

trebled₁₂

h -

trehala₁₀

i -

triable₁₁

trifler₁₁

m -

tremble₁₄

s -

trebles₁₁

t -

treater₇

w -

warbler₁₄

warfare₁₃

waterer₁₀

welfare₁₄

z -

zareeba₁₉