The name/synonym for ligand NO (curated from ChEBI, PubChem, and PDB databases):

1NITRIC OXIDE
2OXIDONITROGEN(.)
3NITROGEN MONOXIDE
4NITROSYL
5OXOAZANYL
6STICKSTOFFMONOXID
7MONOXYDE D'AZOTE
8OXIDO DE NITROGENO(II)
9[NO]
10OXYDE AZOTIQUE
11(.)NO
12OXYDE NITRIQUE
13MONONITROGEN MONOXIDE
14STICKSTOFF(II)-OXID
15OXIDO NITRICO
16NITROGEN MONOOXIDE
17NO(.)
18MONOXIDO DE NITROGENO
19(NO)(.)
20NO