Declension table of ?strīmantra

Masculine	Singular	Dual	Plural
Nominative	strīmantraḥ	strīmantrau	strīmantrāḥ
Vocative	strīmantra	strīmantrau	strīmantrāḥ
Accusative	strīmantram	strīmantrau	strīmantrān
Instrumental	strīmantreṇa	strīmantrābhyām	strīmantraiḥ strīmantrebhiḥ
Dative	strīmantrāya	strīmantrābhyām	strīmantrebhyaḥ
Ablative	strīmantrāt	strīmantrābhyām	strīmantrebhyaḥ
Genitive	strīmantrasya	strīmantrayoḥ	strīmantrāṇām
Locative	strīmantre	strīmantrayoḥ	strīmantreṣu

Compound strīmantra -

Adverb -strīmantram -strīmantrāt