"a host of different ways" is a correct and usable phrase in written English.
You can use this phrase when you want to convey that there are many different ways to do something. For example, you might say, "There are a host of different ways to approach this problem."
Monetary policy experts said they were stunned by the sweeping nature of the Fed's efforts, which they said were unprecedented in a host of different ways.
In general I was impressed by the high standard of cluing this month and congratulate you on finding a host of different ways of dealing with this unprepossessing pair.
Even if this point is granted, the value-ladenness of technology can be construed in a host of different ways.
The players that are there, if they're not leading, are trying to differentiate themselves from the rest in a host of different ways.
Possibly, but I tend to believe people would work out their grief and confusion in a host of different ways, and that cults and gurus would just be part of an array of coping strategies.
When it comes to garlic, it seems Italian cooks can't get enough, and the small bulb gets used in a host of different ways for adding both flavor and nutrition.
In a digital world with a whole host of different ways to communicate a factual message it is increasingly hard to judge the value of amateur eyewitness film shot on a mobile phone and posted on the internet against a considered, observational documentary broadcast on a traditional television channel.
"He's letting the guys play their more natural game, which is what Scotland need". CP: "Success can be measured in a whole host of different ways, but ultimately it'll be down to performance.
There are a host of different gadgets out there which, in many ways, make our daily life easier – and in this respect the investigation and covert surveillance industry is no different.
When examined closely, this generic idea gives way to a host of different kinds of projects, fantasies, and anxieties about politics, society, and the economy.
