I think you mean "beneath," which is used in the sense of "under (covered by)"; e.g., "My glasses were beneath a book." It has some other uses which a metaphorical extensions of the core meaning--e.g., "He thought that working was beneath him."
You can use the preposition "with" with the verb "disagree." For example, "I disagree with your opinion."
Yes, you can use the word but as a preposition. It is a preposition the same as about, by, for, and than.
The preposition "with" follows the use of the verb "concur." For example, "I concur with your opinion."
Yes, you can use the preposition "in" before "home" in sentences like "I am in my home" or "They are in their home."
Nouns, pronouns, gerunds, and noun phrases can commonly stand after a preposition in a sentence.
Bob Montgomery.
You use a preposition in a prepositional phrase, such as "I will be with you in a minute."
You can use the preposition "with" with the verb "disagree." For example, "I disagree with your opinion."
use the preposition
Yes, you can use the word but as a preposition. It is a preposition the same as about, by, for, and than.
When can you use than as a preposition rather than a conjunction?
no
At is a preposition. And is a conjunction.
at by
after noun
no
Adverb: I had a hat on. Preposition: I didn't have any money on me.