'Kāvish' here takes the Persian plural 'hā,' which in Persian can be added to all nouns.

Before a person of grandeur or power, a /tinkā/ is conventionally held in the teeth in order to signal submission and obedience. The /nayastāñ kā reshah/ refers to the reed-flute. Rūmī's Maṡnavī begins by instructing its readers to listen to the complaint of the reed (nai), which sings of its separation from the /nayastān/.

'Tabassum' here takes the Persian plural suffix 'hā,' which in Persian can be added to all nouns.