"buttress against" is a correct and usable phrase in written English.
It is often used in the context of providing support or backing for something, and is most often used as a metaphor. For example, "The new regulations were meant to act as a buttress against further price increases."
It may also signal Saudi Arabia's desire for a stronger presence in Iraq to buttress against the influence of Iran, a longtime nemesis of the Saudi kingdom.
Since Uefa's cash hoard serves as a buttress against any breakaway, the recent talk about "revolution" means Uefa can ill afford to tap into it now.
The idea of individuality was Zweig's intellectual passion: individuality either as buttress against impersonal forces or as portal to a more meaningful life.
It also provides a buttress against the growing distribution might of Apple, Google, Amazon and Netflix, which are using the internet to build multibillion-dollar video businesses.
Thousands of pious, peaceful Muslims are also locked up.Yet the West is usually silent about Uzbekistan's abuses, seeing Mr Karimov as a useful buttress against Islamist terror on Afghanistan's northern border.
This certainly doesn't mean a bureaucratic over-centralised state, but one that is a more proactive buttress against the unfettered market power which caused the crash and now the massive public spending crisis.
It uses L- and I-shaped piers as both stilts and buttresses against wind.
Tucked behind a hedgerow and buttressed against the lakeshore, the villa can be elusive for first-time visitors.
Browridges may have served as buttresses against the stress exerted by jaw muscles or as protection for the eyes.
Kurdistan's boosters point to the region's homogeneity, as well as a strong military and a well-developed intelligence network as effective buttresses against rampant violence.
Then, when I turned the corner and saw the building itself, its spires and towers, saw the delicate network of high buttresses against the turquoise sky, well, I felt almost light enough to float.
