Declension table of ?tropya

Neuter	Singular	Dual	Plural
Nominative	tropyam	tropye	tropyāṇi
Vocative	tropya	tropye	tropyāṇi
Accusative	tropyam	tropye	tropyāṇi
Instrumental	tropyeṇa	tropyābhyām	tropyaiḥ
Dative	tropyāya	tropyābhyām	tropyebhyaḥ
Ablative	tropyāt	tropyābhyām	tropyebhyaḥ
Genitive	tropyasya	tropyayoḥ	tropyāṇām
Locative	tropye	tropyayoḥ	tropyeṣu

Compound tropya -

Adverb -tropyam -tropyāt