Declension table of ?amitrya

Neuter	Singular	Dual	Plural
Nominative	amitryam	amitrye	amitryāṇi
Vocative	amitrya	amitrye	amitryāṇi
Accusative	amitryam	amitrye	amitryāṇi
Instrumental	amitryeṇa	amitryābhyām	amitryaiḥ
Dative	amitryāya	amitryābhyām	amitryebhyaḥ
Ablative	amitryāt	amitryābhyām	amitryebhyaḥ
Genitive	amitryasya	amitryayoḥ	amitryāṇām
Locative	amitrye	amitryayoḥ	amitryeṣu

Compound amitrya -

Adverb -amitryam -amitryāt