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-ion and eu-

Swedish doesn’t have diphthongs in native words, so sometimes the -io- in -ion is pronounced as two separate vowels, and other times it causes the preceding consonant to be pronounced in an unexpected way. Meanwhile, in eu-, the u is actually pronounced as a consonant.

  • Sion (7): Sion, antisionism, sionism, antisionist, sionist, antisionistisk, sionistisk
  • fysionomi/-ik
  • nation (30): bruttonationalinkomst, bruttonationalprodukt, internationalisera, internationalisering, internationell, multinationell, mångnationell, nation, nationaldag, nationalekonom, nationalekonomi, nationalgarde, nationalisera, nationalism, nationalist, nationalistisk, nationalitet, nationalklenod, nationalpark, nationalskald, nationalsocialism, nationalsocialist, nationalstat, nationalsång, nationell, nationsgräns, transnationell, värdnation, önation, övernationell
  • motion , motionera, motionär
  • portion
  • proportion (2): proportion, proportionalitet
  • rationell , rational- (7): rationell, rationalisera, rationalisering, rationalistisk, rationalitet, irrationell, irrationalitet
  • stationera , stationär
  • emotionell (-t+sjon and -sjon both possible)
  • lotion (can also be pronounced as in English)

In ordinal numbers like tionde, femtionde , tiondel, and femtiondedel, -tion- is pronounced as two syllables because -nde is a suffix.

  • reflexion

-gion is typically pronounced as two syllables with a hard g (region ), with one exception:

  • religion (8): religion, religionsfilosofi, religionsfrihet, religionshistoria, religionskrig, religionstillhörighet, religionsvetare, religionsvetenskap, religiositet, irreligiositet

Occurs in words derived from Greek (spelled with “eu” in English as well, but pronounced “yu”). ef before f, otherwise ev.

  • euro (2): euro, euroland
  • neuro- (14): neurobiologi, neurokirurg, neurokirurgi, neurokirurgisk, neuropsykiatri, neuropsykiatrisk, neurovetenskap, neurolog , neurologi, neurologisk, neurotiker, neurotisering, neurotisk, neurotypisk
  • eufemism
  • eufoni
  • eufori