11. This gender also contains some higher animals and mass nouns such as dust and sand. 12. Mass nouns pluralize only under special circumstances, hence the non-existence of plural forms in the texts.13. Since " v + rus " in antiquity denoted something uncountable, it was a mass noun . 14. There's a bit of overlap in cases where things that are normally mass nouns get counted. 15. The counting of mass nouns hinges on the fact that Kuikuro is a number neutral language. 16. Partitive articles are used with mass nouns . 17. Class IV originally included abstract words, collective and mass nouns , such as water, salt, sky or wind. 18. The overwhelming majority are mass nouns . 19. The Middle English mass noun " pease " has become the count noun " pea " by morphological reanalysis. 20. However, mass nouns can vary with regard to their sharpness, or the narrowness that they refer to an entity.