Declension table of ?smṛtitantra

Neuter	Singular	Dual	Plural
Nominative	smṛtitantram	smṛtitantre	smṛtitantrāṇi
Vocative	smṛtitantra	smṛtitantre	smṛtitantrāṇi
Accusative	smṛtitantram	smṛtitantre	smṛtitantrāṇi
Instrumental	smṛtitantreṇa	smṛtitantrābhyām	smṛtitantraiḥ
Dative	smṛtitantrāya	smṛtitantrābhyām	smṛtitantrebhyaḥ
Ablative	smṛtitantrāt	smṛtitantrābhyām	smṛtitantrebhyaḥ
Genitive	smṛtitantrasya	smṛtitantrayoḥ	smṛtitantrāṇām
Locative	smṛtitantre	smṛtitantrayoḥ	smṛtitantreṣu

Compound smṛtitantra -

Adverb -smṛtitantram -smṛtitantrāt