| Attribute | Value | Gr. example | Gr. tag |
| Number | singular | vivlio | NoCmNeSg |
| plural | vivlia | NoCmNePl | |
| l-spec | invariant | asanser | NoCmNeNv |
The value invariant is used in Greek for those nouns that do not have a morphological variant for the singular and plural number. This holds mainly for foreign words that have been incorporated in the Greek language and have been accepted as Greek words but which, however, have not been adapted to the Greek inflectional system. The linguistic context (modifying article/adjective) can serve as a disambiguating device in the case of corpus tagging:
``To asanser vrisketai sto isogheio'' (sing.)
``Einai halasmena kai ta dhuo asanser'' (plural)