Words formed from any letters in researching plus optional blank

t -

starching₁₇

stenchier₁₅

stingaree₁₂

teachings₁₇

ternaries₁₀

terracing₁₅

traceries₁₂

trenchers₁₅

u -

surcharge₁₇

uncharges₁₈

urgencies₁₆

v -

varnisher₁₆