The wording would depend greatly upon your audience. I guess there is some business information you need to gather before you make such decisions.
Let's assume a 'Small Medium Large' approach to presenting subscription options for the sake of this response.
I would first try to find out whether the business actually wants 'Small' subscribers at all - many businesses only show a 'small' option to up-sell and that if someone actually chooses it, they lose money.
Likwise, many businesses position a 'large' option out of most consumers' reach so as to better sell the option they actually want you to choose.
Take a look at these 2 links and see how obvious it is which choice THEY prefer users to make.
https://www.ableton.com/en/push/ (scroll to the bottom)
The point I'm making is that the wording you choose and the method of presenting options depends greatly on the business need and is an example 'meeting business goals' in UX design.