Vowel and Consonant Interchanged?

It's easy for most researchers to realize that vowels can easily get interchanged in a name resulting in variant spellings. Soundex searches ignore vowels in an attempt to get around this problem. Remember that consonants and vowels can get interchanged as well, particularly if the handwriting is not all that great. These variations can be particularly troublesome until the researcher realizes it. Trautvetter often gets transcribed as "Trantvetter" when the "u" is read as an "n." Are vowel and consonant interchanges causing your problems when doing searches?