obso - on-s
- on a temporary basis
- on a unilateral basis
- on a voluntary basis
- on a world-wide scale
- on acceptable terms
- on account
- on active service
- on advantageous terms
- on an emergency basis
- on an equality with smb
- on an equitable basis
- on an independent basis
- on an international basis
- on an international scale
- on an interregional basis
- on an open-ended basis
- on an overseas tour
- on an upbeat note
- on appeal
- on application
- on beneficial terms
- on bilateral level
- on business
- on certain conditions
- on closer examination of the facts
- on common consent
- on compassionate grounds
- on condition of reciprocity
- on constitutional grounds
- on conventional terms
- on delicate grounds
- on duty
- on easy terms
- on entry into force
- on equal percentage basis
- on equal terms
- on ethnic grounds
- on even terms
- on favorable terms
- on first hearing