Is y a vowel in hay or stay?

No, "y" is not a vowel in "hay" or "stay". In these words, "y" acts as a consonant because it makes a consonant sound.

* In "hay", the "y" sound is similar to the "j" sound in "joy".

* In "stay", the "y" sound is similar to the "y" sound in "yes".

Remember, the "y" sound can sometimes act as a vowel (like in "my" or "fly"), but in "hay" and "stay", it acts as a consonant.