What is the longest English word(s) that can be produced from the letters contained in each of the following?

(1) TWO THOUSAND AND TWELVE
(2) DUO MILIA ET MILLE
(3) DEUX MILLE ET DOUZE
(4) ZWEITAUSEND UND ZWOLF
(5) TO TUSINDE OG TOLV
(6) TWEEDUIZEND EN TWAALF
(7) TVA TUSEN OCH TOLV
(8) DOS MIL DOCE
(9) DUE MILA E DODICI

** For example, the longest word that can be produced from the letters contained in "NUHRIAKMTE" is "RUMINATE". For some of the above phrases, there may exist more than one word having the maximum number of letters.

*** Proper nouns, acronyms, abbreviations, hyphens, spaces are not allowed. Number of occurrences of a letter in the word is limited to the number of occurrences in the phrase.