buy

As nouns the difference between buy and conviction

is that buy is something which is bought; a purchase while conviction is (countable) a firmly held belief.

As a verb buy

is to obtain (something) in exchange for money or goods.

As verbs the difference between investing and buy

is that investing is while buy is to obtain (something) in exchange for money or goods.

As a noun buy is

something which is bought; a purchase.

In lang=en terms the difference between attain and buy

is that attain is to come or arrive, by motion, growth, bodily exertion, or efforts toward a place, object, state, etc; to reach while buy is to make a purchase or purchases, to treat (for a meal).

As verbs the difference between attain and buy

is that attain is to accomplish; to achieve while buy is to obtain (something) in exchange for money or goods.

As a noun buy is

something which is bought; a purchase.

In transitive terms the difference between cop and buy

is that cop is to adopt while buy is to be equivalent to in value.

As nouns the difference between cop and buy

is that cop is a spider while buy is something which is bought; a purchase.

As verbs the difference between cop and buy

is that cop is to obtain, to purchase (as in drugs), to get hold of, to take while buy is to obtain (something) in exchange for money or goods.

In lang=en terms the difference between invest and buy

is that invest is to make investments while buy is to make a purchase or purchases, to treat (for a meal).

As verbs the difference between invest and buy

is that invest is (dated) to clothe or wrap (with garments) while buy is to obtain (something) in exchange for money or goods.

As nouns the difference between invest and buy

is that invest is (meteorology) an unnamed tropical weather pattern "to investigate" for development into a significant (named) system