We started pronouncing it Febuary instead of February to match January. From Wiktionary:
The pronunciation of the first r as /j/ has come about by dissimilation and analogy with January. In the UK pronunciation /ˈfɛb.ɹi/ (*Febry) the sequence /ɹə.ɹi/ in /ˈfɛb.ɹə.ɹi/ (*Febrery) is simplified to /ɹi/ by haplology.
Also, we should bring back the Old English solmōnaþ (“mud month”).








Is the n in Germanic words for ten not just a reflex of m in PIE *dekm̥t?