Declension table of ?mānasika

Neuter	Singular	Dual	Plural
Nominative	mānasikam	mānasike	mānasikāni
Vocative	mānasika	mānasike	mānasikāni
Accusative	mānasikam	mānasike	mānasikāni
Instrumental	mānasikena	mānasikābhyām	mānasikaiḥ
Dative	mānasikāya	mānasikābhyām	mānasikebhyaḥ
Ablative	mānasikāt	mānasikābhyām	mānasikebhyaḥ
Genitive	mānasikasya	mānasikayoḥ	mānasikānām
Locative	mānasike	mānasikayoḥ	mānasikeṣu

Compound mānasika -

Adverb -mānasikam -mānasikāt