Affect - means to influence.
Effect - means to bring about
All-around - is incorrectly used for all-round.
Alright - is incorrectly used for all right.
Between - refers to two
Among - refers to more than two.
Any place, some place, no place, every place - should not be used for anywhere, somewhere, nowhere, everywhere.
Balance - means the amount remaining after realizing assets and meeting obligations. It does not mean rest or remainder
Beside - means by, or at the side of.
Besides - means in addition to, moreover.
Either, neither - each of these words is singular.
Fewer - refers to number.
Less - refers to amount
Farther - applies to actual, physical distance.
Further - applies to quantity or degree.
Firstly - is not required because first is an adverb as well as an adjective. Use first, secondly, thirdly, etc.
Healthy - means in good health.
Healthful - means causing health, good for the health.
Imply - means to express indirectly.
Infer - means to surmise or conclude.
Inside, outside - need not be followed by of.
Likely - implies a probability, usually favorable.
Liable - implies an unpleasant probability.
May - implies permission to do so.
Can - implies ability to do.