You don't need the hints, the word needed is available to find. I have gathered over 11000 points and I don't use hints or shuffles. sometimes it takes a long time to find the word. keep looking, it is there.
There are many variables in English. In some instances, Litre, can also be spelt Liter. Deal with it.
I am astounded? Clearly, this game is American, hence, the type of English used. For me, that adds to the challenge. Build a bridge.
cement, powder or solid is still cement. concrete is a mixture of cement and sand, it may also have gravel and other things added to it.