Declension table of ?guṇṭhayitavya

Neuter	Singular	Dual	Plural
Nominative	guṇṭhayitavyam	guṇṭhayitavye	guṇṭhayitavyāni
Vocative	guṇṭhayitavya	guṇṭhayitavye	guṇṭhayitavyāni
Accusative	guṇṭhayitavyam	guṇṭhayitavye	guṇṭhayitavyāni
Instrumental	guṇṭhayitavyena	guṇṭhayitavyābhyām	guṇṭhayitavyaiḥ
Dative	guṇṭhayitavyāya	guṇṭhayitavyābhyām	guṇṭhayitavyebhyaḥ
Ablative	guṇṭhayitavyāt	guṇṭhayitavyābhyām	guṇṭhayitavyebhyaḥ
Genitive	guṇṭhayitavyasya	guṇṭhayitavyayoḥ	guṇṭhayitavyānām
Locative	guṇṭhayitavye	guṇṭhayitavyayoḥ	guṇṭhayitavyeṣu

Compound guṇṭhayitavya -

Adverb -guṇṭhayitavyam -guṇṭhayitavyāt