Declension table of ?khātman

Masculine	Singular	Dual	Plural
Nominative	khātmā	khātmānau	khātmānaḥ
Vocative	khātman	khātmānau	khātmānaḥ
Accusative	khātmānam	khātmānau	khātmanaḥ
Instrumental	khātmanā	khātmabhyām	khātmabhiḥ
Dative	khātmane	khātmabhyām	khātmabhyaḥ
Ablative	khātmanaḥ	khātmabhyām	khātmabhyaḥ
Genitive	khātmanaḥ	khātmanoḥ	khātmanām
Locative	khātmani	khātmanoḥ	khātmasu

Compound khātma -

Adverb -khātmam