What are ‘papaubos’ and ‘papakonti’ in English?

You will use the preposition ‘off’

Attach it after your appropriate verb

OFF has this usage – SO AS TO BE SMALLER, FEWER, ETC.

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papakonti

Papakonti na ang mga baka sa ating pastolan.

The cows in our pasture are breeding off.

papaubos

Papaubos na (sa pagkamatay) ang mga ibon.

The birds are dying off.