Pāṇini sūtras

And the affix kvip is also seen after all verbs, whether having an upapada or not in the Vedic as well as in the modem Sanskrit.

1. kvipक्विप्

   Part	Lexeme	Sandhi form	Meaning	Stem
   kक्	kvipक्विप्	kvipक्विप्	kvipक्विप्	kvipक्विप्

2. caच

   Part	Lexeme	Sandhi form	Meaning	Stem
   cच्	caच	caच	besides	caच

Anuvṛtti

1. supiसुपि 3·2·4

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   sस्	supसुप्	supiसुपि	case ending	supसुप् + plus iइ

2. apiअपि 3·2·61

   Part	Lexeme	Sandhi form	Meaning	Stem
   aअ	apiअपि	apiअपि	besides	apiअपि