Words formed from any letters in originate plus optional blank

y -

year₆

yeti₆

yoga₈

yogi₈

yoni₇

yore₆

z -

zein₁₄

zero₁₃

zeta₁₃

zing₁₆

ziti₁₃

zoea₁₃

zone₁₄

zori₁₃