Declension table of ?ardhaparyaṅka

Masculine	Singular	Dual	Plural
Nominative	ardhaparyaṅkaḥ	ardhaparyaṅkau	ardhaparyaṅkāḥ
Vocative	ardhaparyaṅka	ardhaparyaṅkau	ardhaparyaṅkāḥ
Accusative	ardhaparyaṅkam	ardhaparyaṅkau	ardhaparyaṅkān
Instrumental	ardhaparyaṅkeṇa	ardhaparyaṅkābhyām	ardhaparyaṅkaiḥ ardhaparyaṅkebhiḥ
Dative	ardhaparyaṅkāya	ardhaparyaṅkābhyām	ardhaparyaṅkebhyaḥ
Ablative	ardhaparyaṅkāt	ardhaparyaṅkābhyām	ardhaparyaṅkebhyaḥ
Genitive	ardhaparyaṅkasya	ardhaparyaṅkayoḥ	ardhaparyaṅkāṇām
Locative	ardhaparyaṅke	ardhaparyaṅkayoḥ	ardhaparyaṅkeṣu

Compound ardhaparyaṅka -

Adverb -ardhaparyaṅkam -ardhaparyaṅkāt