<distinct> identifies any word or phrase which is regarded as linguistically distinct, for example as
archaic, technical, dialectal, non-preferred, etc., or as forming part of a sublanguage. [3.3.2.3 Other Linguistically Distinct Material]
Next morning a boy in that dormitory confided to his bosom friend, a <distinct type="ps_slang">fag</distinct> of Macrea's, that there was trouble in their midst which King <distinct type="archaic">would fain</distinct> keep secret.