Declension table of ?surekha

Neuter	Singular	Dual	Plural
Nominative	surekham	surekhe	surekhāṇi
Vocative	surekha	surekhe	surekhāṇi
Accusative	surekham	surekhe	surekhāṇi
Instrumental	surekheṇa	surekhābhyām	surekhaiḥ
Dative	surekhāya	surekhābhyām	surekhebhyaḥ
Ablative	surekhāt	surekhābhyām	surekhebhyaḥ
Genitive	surekhasya	surekhayoḥ	surekhāṇām
Locative	surekhe	surekhayoḥ	surekheṣu

Compound surekha -

Adverb -surekham -surekhāt