Someone (mang-) guarantees, makes sure of something (-en).
-en sigoradohen
Iyaw mangsigorādo a bayādan nanchi.
He guarantees that he will pay.
Someone or something (mangipa-) confirms something (pangipa-).
No mangipasigorādo so kaoyod na, ki siraw naitolasaya.
What confirms its truth are (the things that) have been written.
pangsigorādo
also pakasigorādwan
Something for a guarantee.