Words formed from any letters in halfheartedly plus optional blank

b -

tearable₁₂

tradable₁₃

c -

thearchy₁₇

tracheae₁₃

tracheal₁₄

trachled₁₅

d -

threaded₁₂

treadled₁₁

e -

reheated₁₁

telfered₁₃

f -

taffarel₁₅

tafferel₁₅

g -

tallaged₁₃

i -

retailed₁₀

thrilled₁₃

tillered₁₁

m -

trameled₁₃

n -

tarnally₁₃

tenderly₁₃

o -

yodeller₁₃

p -

replated₁₃

replayed₁₅

teleplay₁₅

threaped₁₄

r -

rethread₁₁

retrally₁₂

terrella₁₀

threader₁₁

treadler₁₀

s -

rehashed₁₃

reslated₁₀

restyled₁₂

sedately₁₂

selfheal₁₅

sheathed₁₃

sheather₁₂

thrashed₁₃

threshed₁₃

treadles₁₀

trehalas₁₁

t -

threated₁₁

yattered₁₁

v -

traveled₁₄

valerate₁₃

w -

walleyed₁₆

welladay₁₆

wellhead₁₆

wheatear₁₃

wreathed₁₄