Declension table of ?mahāpheṭkārīya

Neuter	Singular	Dual	Plural
Nominative	mahāpheṭkārīyam	mahāpheṭkārīye	mahāpheṭkārīyāṇi
Vocative	mahāpheṭkārīya	mahāpheṭkārīye	mahāpheṭkārīyāṇi
Accusative	mahāpheṭkārīyam	mahāpheṭkārīye	mahāpheṭkārīyāṇi
Instrumental	mahāpheṭkārīyeṇa	mahāpheṭkārīyābhyām	mahāpheṭkārīyaiḥ
Dative	mahāpheṭkārīyāya	mahāpheṭkārīyābhyām	mahāpheṭkārīyebhyaḥ
Ablative	mahāpheṭkārīyāt	mahāpheṭkārīyābhyām	mahāpheṭkārīyebhyaḥ
Genitive	mahāpheṭkārīyasya	mahāpheṭkārīyayoḥ	mahāpheṭkārīyāṇām
Locative	mahāpheṭkārīye	mahāpheṭkārīyayoḥ	mahāpheṭkārīyeṣu

Compound mahāpheṭkārīya -

Adverb -mahāpheṭkārīyam -mahāpheṭkārīyāt