Readers of Word Ways have tried to find a 15-letter word which has 5 of one letter, 4 of a second letter, 3 of a third letter, 2 of a fourth letter and 1 of a fifth letter. In Geometrical Words: Part 1 (Word Ways August 1997), I wrote 'The dictionary-sanctioned word which makes triangle with the letter ratio 5:4:3:2:1 remains as elusive as ever, the only representatives are cleverly coined words such as Sir Jeremy Morse's 'linenlessnesses'.
"The Elusive Triangle,"
Word Ways: Vol. 36
, Article 18.
Available at: https://digitalcommons.butler.edu/wordways/vol36/iss4/18