pseudogentilicium means any irregularly formed nomen gentilicium. Lexicurio rates it Rare gem — a strength score of 82 out of 100.
pseudogentilicium is pronounced /ˌ(p)suːdəʊd͡ʒɛntaɪˈlɪsɪəm/.
Etymology
From pseudo- + gentilicium.
noun
- Any irregularly formed nomen gentilicium.