Declension table of ?gāmmanya

Neuter	Singular	Dual	Plural
Nominative	gāmmanyam	gāmmanye	gāmmanyāni
Vocative	gāmmanya	gāmmanye	gāmmanyāni
Accusative	gāmmanyam	gāmmanye	gāmmanyāni
Instrumental	gāmmanyena	gāmmanyābhyām	gāmmanyaiḥ
Dative	gāmmanyāya	gāmmanyābhyām	gāmmanyebhyaḥ
Ablative	gāmmanyāt	gāmmanyābhyām	gāmmanyebhyaḥ
Genitive	gāmmanyasya	gāmmanyayoḥ	gāmmanyānām
Locative	gāmmanye	gāmmanyayoḥ	gāmmanyeṣu

Compound gāmmanya -

Adverb -gāmmanyam -gāmmanyāt