Inflection Class 21
http://lila-erc.eu/data/lexicalResources/prinparlat/id/inflection_class_21 <https://www.paralex-standard.org/paralex_ontology.xml#InflectionClass>
Inflection micro-class of verbs that inflect like: Flexeme of luere - luet - lui - luiturum
Inflection Class 21