outgroup

is likely misspelled.

has no English definition.

As a noun outgroup

is in cladistics, all the taxa included in a study that do not belong to the ingroup that is of immediate interest.

As nouns the difference between study and outgroup

is that study is a state of mental perplexity or worried thought while outgroup is in cladistics, all the taxa included in a study that do not belong to the ingroup that is of immediate interest.

As a verb study

is to revise materials already learned in order to make sure one does not forget them, usually in preparation for an examination.

As nouns the difference between taxa and outgroup

is that taxa is plural of lang=en while outgroup is in cladistics, all the taxa included in a study that do not belong to the ingroup that is of immediate interest.

As an adjective cladistic

is of, relating to, or generated using cladistics.

As a noun outgroup is

in cladistics, all the taxa included in a study that do not belong to the ingroup that is of immediate interest.