Notice the difference between buhay (a noun meaning ‘life’) and buháy (an adjective meaning ‘alive’). The accent is placed on a different syllable.
buhay
life (noun)
buháy
alive (adjective)
buhay
life (noun)
Mahirap ang buhay.
Life is hard.
buháy
alive (adjective)
Buháy pa ba siya?
Is he/she still alive?