Dose - A measure of medicine etc. / Does - Present tense of the verb 'to do'
Brought - Past tense of the verb 'to bring' / Bought - Past tense of the verb 'to buy'
Affect - Verb meaning "to influence and change" / Effect - Verb meaning "to cause" or noun meaning ‘a result or an influence'
Allusion - a subtle reference or hint / Illusion - a deceptive visual
Definite - Not vague, certain / Definate - Unfortunately there is no such word
There - An adverb meaning 'that location' / Their - the possessive case of the personal pronoun 'they'
As I said, it is not a complaint or an attempt to correct the people who do this or anything like that. Just felt like making an observation.
