twincest

is likely misspelled.

has no English definition.

As a noun twincest

is incestuous sexual relations between twins, or siblings who look very similar.

Wikidiffcom is likely misspelled.

Wikidiffcom has no English definition.

As a noun twincest is

incestuous sexual relations between twins, or siblings who look very similar.

As a verb twinest

is archaic second-person singular of twine.

As a noun twincest is

incestuous sexual relations between twins, or siblings who look very similar.

As nouns the difference between twincest and wincest

is that twincest is incestuous sexual relations between twins, or siblings who look very similar while wincest is incest.

As a proper noun Wincest is

the incestuous slash ship of the fictional brothers Dean and Sam Winchester from the television series Supernatural.