නිසා

conj. as

prep. at

conj. because

prep. because of

adv. by

conj. by reason of

adv. by virtue of

prep. for

adv. in view of

adv. in virtue of

conj. inasmuch

conj. on account of

conj. out of

conj. owing to

conj. seeing that

conj. since

adv. therefore

prep. through

conj. where as

prep. on account of

---

Example:

පාරේ වාහන තදබදය නිසා බස්‌ එක යන්නෙ ඉබි ගමනින්‌.
The road is full of traffic and the bus is going at a snail's pace.