WotD: Pentecost/Whitsun(day)

[muckefuck]

1. das Pfingsten
2. het Pinksteren
3. el Pentecostés
4. la Pentecosta
5. la Pentecôte
6. y Sulgwyn
7. An Chincís
8. 성령강림절 (聖靈降臨節)
9. 五旬節 wǔsǔnjié

Notes: 0. I've never been certain about the distribution of the English equivalents. Does anyone know whether it's primarily USA/UK, Catholic/Protestant, or something else entirely?
3. No idea where this anomalous form stems from.
6. lit. "Sun[day] white". Also y Pentecost, a recent borrowing.
7. Interesting example of the /p/ -> /k/ shift seen in early borrowings into Irish. The West Muskerry pronunciation is as if spelled Cingcís, i.e. [ci:ŋʲ'ci:ʃ].
9. lit. "five ten-day-period festival", a fairly direct calque on the Greek "fiftieth [day]". By contrast, the Sino-Korean is the far more explicit "Holy Spirit arrival/descent festival".