- y and
- ya already
- ya anymore
- yacer sprawl (to -)
- yak yak
- yámbico iambic
- yanqui Yankee
- yate yacht
- yatrogénico iatrogenic
- yegua mare (a female horse)
- yema bud
- yema yolk
- yermo barren
- yermo bleak
- yerno son-in-law
- yeso plaster
- yo I
- yodar iodize (to -)
- yodo iodine
- yóquei jockey
- yudo judo
- yugo yoke
- Yugoslavia Yugoslavia
- yugoslavo Yugoslav
- yugular jugular
- yunque anvil
- yunta de bueyes oxteam
- yute jute
- yuxtaponer juxtapose (to -)
- yuxtaposición juxtaposition