Vowels 3 and 20, /e/ versus /ʊə/    11 pairs      [leslures.html]

The /e/ vowel is spelled <e> throughout. The diphthong /ʊə/ is spelled <our>, <oor> or <ur> in jury. The pair congress/congruous is of doubtful status since congruous would normally be perceived as a three-syllable word in which /ʊə/ is two vowels and not a diphthong. This dictionary gives /bʊən/ as the preferred pronunciation of bourne, though another common pronunciation is /bɔn/.

This is a contrast bewteen a short front vowel and a back centring diphthong, and is no rpblem for any learner.

The mean density is low at 0.2%. The pairs make 9 semantic contrasts, giving a high loading of 82%.

ben bourn
  bens bournes
Bess bourse
congress congruous
Delhi dourly
jerry jury
  jerries juries
lead lured
Les lures
Med moored
Ted toured

John Higgins, Shaftesbury, January 2011