Adverb:

तब से अब से, पूर्वकाल से, पहले, उस के पहिले,

Preposition:

उस समय से, बाद में, से, के बाद,

Conjunction:

क्योंकि, के बाद से,

since शब्द के हिंदी अर्थ का उदाहरण:

इस इतिहास के पूर्वकाल से जनजातियों जैसे कोइलियों, हालियों, डोग्रीयों, दास, खासों, किन्नरों और किरतों ने इस पर निवास किया।

জজজ शरिर से तेजस्विता चली जाती है ऐसी भारत अौर पडोस के देश के कुछ प्रांतोमे गलत मान्यता पूर्वकाल से प्रचलित है।

उसमें उन लोकभाषाओं का प्रतिनिधित्व किया जाता है जिन्होंने वैदिक काल एवं संभवत: उससे भी पूर्वकाल से लेकर देश के नाना भागों को गंगा यमुना आदि महानदियों के अनुमान प्लावित किया है और उसकी साहित्यभूमि को उर्वरा बनाया हैं।

since's Usage Examples:

Presently, labeling of GMO content isn't a requirement—and since labeling is a complex and controversial issue that has no bearing on my thesis, I will pass it by.

Obviously it had been a long time since she had seen or talked to Mr. Cade.

"Since you love him so well," said the king, "I will tell you something.

I've been up since four.

Since they were all dressed up, she assumed they were going to church together.

I haven't even seen him since the funeral.

Since then he had treated her with total respect.

He'd been in a grumpy mood since he got up.

"It's a long time since we met," he said.

Since you arrived, she is not sure this is the way.