Declension table of ?śvacitavya

Neuter	Singular	Dual	Plural
Nominative	śvacitavyam	śvacitavye	śvacitavyāni
Vocative	śvacitavya	śvacitavye	śvacitavyāni
Accusative	śvacitavyam	śvacitavye	śvacitavyāni
Instrumental	śvacitavyena	śvacitavyābhyām	śvacitavyaiḥ
Dative	śvacitavyāya	śvacitavyābhyām	śvacitavyebhyaḥ
Ablative	śvacitavyāt	śvacitavyābhyām	śvacitavyebhyaḥ
Genitive	śvacitavyasya	śvacitavyayoḥ	śvacitavyānām
Locative	śvacitavye	śvacitavyayoḥ	śvacitavyeṣu

Compound śvacitavya -

Adverb -śvacitavyam -śvacitavyāt