Declension table of ?gratthavat

Masculine	Singular	Dual	Plural
Nominative	gratthavān	gratthavantau	gratthavantaḥ
Vocative	gratthavan	gratthavantau	gratthavantaḥ
Accusative	gratthavantam	gratthavantau	gratthavataḥ
Instrumental	gratthavatā	gratthavadbhyām	gratthavadbhiḥ
Dative	gratthavate	gratthavadbhyām	gratthavadbhyaḥ
Ablative	gratthavataḥ	gratthavadbhyām	gratthavadbhyaḥ
Genitive	gratthavataḥ	gratthavatoḥ	gratthavatām
Locative	gratthavati	gratthavatoḥ	gratthavatsu

Compound gratthavat -

Adverb -gratthavantam