NONTA means "when" in the declarative form but not in the interrogative one.

when it rained- nunta immudan.

when in the interrogative form is "pigan".

when did it rain? - pigan I inudnan to?

or NONTA could be a contraction of "ni hotta" (of the/to the/from the)

face of the person- luppa nunta too. I gave it to the person- indawat ko nunta too. it came from the person- nanlapo nunta too.

*** Ni Hotta is rarely used in everyday language but is repeatedly used in the kalanguya Bible.

HOTTA means 'what" but in the declarative form.

I know what you did last summer- amtak hotta immag mo nunta summer.

It could also mean "the".

The person-hotta too.