Here's what rhymes with centralise.

Consider these alternatives

centralize / size decentralize / size centralising / leaving optimise / price centralizing / rising rationalise / nationalise standardise / size utilise / price centralisation / relation centralised / decentralised decentralised / centralised legitimise / price decentralizing / rising standardize / size automate / late computerize / size publicise / price rationalize / size modernise / peace administrate / late contouring / during ordinate / late maximise / price repack / back