Noldorin 

glir-

verb. to sing, recite poem

Noldorin [Ety/GLIR; EtyAC/GLIR; EtyAC/LIR¹] Group: Eldamo. Published by

glir-

verb. to sing, trill, to recite a poem

The form glin in the Etymologies is a misreading according to VT/45:15

Noldorin [Ety/359, Ety/369, VT/45:15] Group: SINDICT. Published by

glin-

verb. to sing

Noldorin [Ety/GLIN] Group: Eldamo. Published by

liria-

verb. to sing

Noldorin [VT/45:28] Group: SINDICT. Published by