“Eon” is an anagram of “one”.

What are the other anagrams of spelled out forms of numbers having more than one letter? (Such words also include known mathematical constants like pi, phi, psi etc. Ordinal numbers like first, second, binary, ternary etc. are also admissible.)

*** Plurals are allowed. But proper names, abbreviations, acronyms, slangs or archaic words are not allowed,