YIELDLESS
Yield"less, a.
Defn: Without yielding; unyielding. [Obs.]
YIFT
Yift, n.
Defn: Gift. [Obs.] "Great yiftes." Chaucer.
YIN
Yin, n.
Defn: A Chinese weight of 2
YIS
Yis, adv.
Defn: Yes. [Obs.]
"Yis, sir," quod he, "yis, host." Chaucer.
YIT
Yit, conj.
Defn: Yet. [Obs.] Chaucer.