theyr

As an adjective them

is additional.

As a conjunction them

is plus.

As a verb them

is to increase.

As a pronoun theyr is

.

As an adverb theer

is (obsolete|or|eye dialect) there.

As a pronoun theyr is

.

As a contraction theyre

is (informal|nonstandard).

As a pronoun theyr is

.

As pronouns the difference between they and theyr

is that they is a group of people, animals, or objects previously mentioned while theyr is obsolete spelling of lang=en.

As a determiner they

is those (used for people.

As a determiner their

is Belonging to, from, of, or relating to, them (plural).

As a pronoun theyr is

obsolete spelling of lang=en.