Declension table of kaustubha

Masculine	Singular	Dual	Plural
Nominative	kaustubhaḥ	kaustubhau	kaustubhāḥ
Vocative	kaustubha	kaustubhau	kaustubhāḥ
Accusative	kaustubham	kaustubhau	kaustubhān
Instrumental	kaustubhena	kaustubhābhyām	kaustubhaiḥ kaustubhebhiḥ
Dative	kaustubhāya	kaustubhābhyām	kaustubhebhyaḥ
Ablative	kaustubhāt	kaustubhābhyām	kaustubhebhyaḥ
Genitive	kaustubhasya	kaustubhayoḥ	kaustubhānām
Locative	kaustubhe	kaustubhayoḥ	kaustubheṣu

Compound kaustubha -

Adverb -kaustubham -kaustubhāt