The majority of examples can be found under this heading.
He is a majority leader.
The majority of students answering this question would struggle with it themselves but in the vanguard is the one who plagiarized the answer.
Voting swings in the direction of the majority opinion, especially when the majority votes.
Preponderance means majority, dominance or superiority, of numbers. The preponderance of people would say you can use it in a sentence.
'The data of the event is to be announced, but the majority of datum has been finalized.'
The majority of the universities are not handicapped accessible.
a majority of expenses have been dedeucted
The vast majority of the regiment were killed in the Ypres' salient.
Occasionally, a Supreme Court judge's views will differ from the majority opinion.
I would use it correctly in a sentence, of course. Thank you for asking.
Jarry use paroxysm in a sentence.\
I would use the word "theory" in a sentence like this: "The scientist presented a new theory to explain the findings of the experiment."