Pāṇini sūtras

Case-inflected words denoting objects of comparison, are compounded with words denoting what is likened to them, by reason of the latter possessing qualities in common with the former, and the compound is Tat-purusha.

1. upamānāniउपमानानि

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   uउ	upamānaउपमान	upamānāniउपमानानि	comparison	upamānउपमान् + plus āniआनि

2. sāmānya+vacanaiḥसामान्य+वचनैः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   sस्	sāmānyaसामान्य	sāmānyaसामान्य	similarity	sāmānyसामान्य् + plus aअ
   vव्	vacanaवचन	vacanaiḥवचनैः	statement	vacanवचन् + plus aiḥऐः

Anuvṛtti

1. samāna+adhikaraṇenaसमान+अधिकरणेन 2·1·49

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   sस्	samānaसमान	samānaसमान	identical	samānसमान् + plus aअ
   aअ	adhikaraṇaअधिकरण	adhikaraṇenaअधिकरणेन	reference	adhikaraṇअधिकरण् + plus enaएन