Declension table of trapu

Neuter	Singular	Dual	Plural
Nominative	trapu	trapuṇī	trapūṇi
Vocative	trapu	trapuṇī	trapūṇi
Accusative	trapu	trapuṇī	trapūṇi
Instrumental	trapuṇā	trapubhyām	trapubhiḥ
Dative	trapuṇe	trapubhyām	trapubhyaḥ
Ablative	trapuṇaḥ	trapubhyām	trapubhyaḥ
Genitive	trapuṇaḥ	trapuṇoḥ	trapūṇām
Locative	trapuṇi	trapuṇoḥ	trapuṣu

Compound trapu -

Adverb -trapu