Can be spelt either way. However, for a subtle difference 'non-fat' is a substance that has had the fat removed, such as non-fat milk. Or nonfat can mean that the substance did not have any fat content in the first place. Further conversations may involve 'fat free', fat-free', or any combination of the spelling of 'fatless'
That is the proper spelling, "thought" for the process of thinking.
That is the correct spelling of the word "proper" (correct, appropriate).The proper spelling is "proper" (correct, appropriate).
The proper spelling for "Granddad" is with two d's.
The US spelling is center but the spelling "centre" is frequently used for proper nouns such as buildings and towns.The UK spelling is centre.
Nonfat yougart is in the market
The proper spelling is low fat.
The correct spelling is addition.
The correct spelling of "misplaced" is as written.
Not nonfat, no.
The proper spelling is "difference" (no A's).
Helps to teach you proper spelling.
That is the correct spelling, although 'hifalutin' is also an acceptable spelling.