With regards to the dialect, vowels may be subject to numerous mergers right before /l/, to ensure that e.g. fill /ˈfɪl/ and truly feel /ˈfiːl/ or pull /ˈpʊl/ and pool /ˈpuːl/ will not be distinguished. In rhotic North American English there is no difference amongst the vowels in nurse /ˈnɜːrs/ https://atecao068ajn8.illawiki.com/user