Words formed from any letters in cloisters plus optional blank

o -

tsooris₇

p -

tropics₁₃

u -

troilus₉

tsouris₈

tussore₈

ulsters₉

utricle₁₂

v -

vectors₁₄

verists₁₁

victors₁₄

violets₁₂

viroses₁₁

viscose₁₄

voicers₁₄

votress₁₁

w -

trowels₁₁

witless₁₁

worsets₁₀

x -

xerosis₁₄

xerotic₁₇

z -

zloties₁₇

zosters₁₆