SUMPA

sumpa
oath, vow

sumpang panghabambuhay
lifelong vow

Sinusumpa ko...
I swear...

Sumusumpa ako...
I am swearing...

Sumumpa ka sa Bibliya.
Swear on the Bible.

Sinusumpa ko na mamahalin kita habambuhay.
I swear to love you for as long as I live.

Related Tagalog word: pangako