Declension table of ?kapūya

Neuter	Singular	Dual	Plural
Nominative	kapūyam	kapūye	kapūyāni
Vocative	kapūya	kapūye	kapūyāni
Accusative	kapūyam	kapūye	kapūyāni
Instrumental	kapūyena	kapūyābhyām	kapūyaiḥ
Dative	kapūyāya	kapūyābhyām	kapūyebhyaḥ
Ablative	kapūyāt	kapūyābhyām	kapūyebhyaḥ
Genitive	kapūyasya	kapūyayoḥ	kapūyānām
Locative	kapūye	kapūyayoḥ	kapūyeṣu

Compound kapūya -

Adverb -kapūyam -kapūyāt