Declension table of ?panthitavya

Neuter	Singular	Dual	Plural
Nominative	panthitavyam	panthitavye	panthitavyāni
Vocative	panthitavya	panthitavye	panthitavyāni
Accusative	panthitavyam	panthitavye	panthitavyāni
Instrumental	panthitavyena	panthitavyābhyām	panthitavyaiḥ
Dative	panthitavyāya	panthitavyābhyām	panthitavyebhyaḥ
Ablative	panthitavyāt	panthitavyābhyām	panthitavyebhyaḥ
Genitive	panthitavyasya	panthitavyayoḥ	panthitavyānām
Locative	panthitavye	panthitavyayoḥ	panthitavyeṣu

Compound panthitavya -

Adverb -panthitavyam -panthitavyāt