Declension table of ?śarku

Masculine	Singular	Dual	Plural
Nominative	śarkuḥ	śarkū	śarkavaḥ
Vocative	śarko	śarkū	śarkavaḥ
Accusative	śarkum	śarkū	śarkūn
Instrumental	śarkuṇā	śarkubhyām	śarkubhiḥ
Dative	śarkave	śarkubhyām	śarkubhyaḥ
Ablative	śarkoḥ	śarkubhyām	śarkubhyaḥ
Genitive	śarkoḥ	śarkvoḥ	śarkūṇām
Locative	śarkau	śarkvoḥ	śarkuṣu

Compound śarku -

Adverb -śarku