I think I will go to the park today, unless it starts to rain.
No, you do not capitalize after using a semicolon unless it is the start of a new sentence or a proper noun. The word following the semicolon should be lowercase unless it meets the criteria for capitalization.
No, it does not. It's liike using the word 'rose' in a sentence, it's the name of a plant but it doesn't need to be captalize (unless it's the first word in the sentence).
There is no good sentence using the word creditor, unless that is how you make your living: That creditor keeps calling, no matter how many times I tell them that they have the wrong John Smith.
I am not writing a sentence using that word.
The landlord decided to evict the tenant for not paying rent for several months.
Unless you are using 'landlord' as a name (proper noun) or as the first word of a sentence, you do not capitalize it.
I can give you a sentence using the word galaxy.
a sentence using the word endotracheal
This is a sentence using the word aviator.
I am saying a sentence using the word collagen.
This is a sentence using the word monomer. :P
this is a sentence using the word armchair.