“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,

one       : eon
two       : tow, wot
three     : ether, there
five      : vife
six       : xis
seven     : evens, neves
ten       : net
fifty     : tiffy
sixty     : xysti 
thousand  : handouts
octillion : cotillion
first     : rifts
second    : codens
eighth    : height
binary    : brainy
senary    : yearns
denary    : yarned
decimal   : claimed, declaim, medical

[Bernstein's constant]
   beta   : abet, bate, beat
[Euler-Mascheroni constant]
   gamma  : magma
[Golomb-Dickman constant]
   mu     : um
[golden ratio]
   phi    : hip
   tau    : uta
[Reciprocal Fibonacci constant]
   psi    : pis, sip
[Feigenbaum constant]
   delta  : dealt, lated

Initially I had included the following plurals with the above list of numbers & anagrams. But, I realized perhaps the allowance of plurals was meant only for the anagrammed words. I include the number plurals anyway, but following:

ones      : eons, noes, nose, sone 
twos      : tows, swot
threes    : ethers
fives     : vifes
eights    : gesith
tens      : nest, nets, sent, sten
twenties  : tentwise
thirties  : shittier
fifties   : tiffies
octillions: cotillions
eighths   : heights
ternaries : retainers
nonaries  : raisonne
octals    : costal
decimals  : declaims, medicals, midscale

[Bernstein's constant (plural)]
   betas  : abets, baste, bates, beast, beats
[Euler-Mascheroni constant (plural)]
   gammas : magmas
[Golomb-Dickman constant (plural)]
   mus    : sum
[golden ratio (plural)]
   phis   : hips, pish, ship
[Archimede's constant (plural)]
   pis    : psi, sip
[Reciprocal Fibonacci constant (plural)]
   psis   : piss
[the imaginary unit (plural)]
   is     : si
[unity {one} (plural)]
   unities: unitise

Edited on July 1, 2016, 1:21 am
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An assumption may be made that a number (quantity) of an unspecified value,  spelled out, would also be valid for this particular puzzle. With the further assumption that a space or hyphen could exist in the number and-or the anagrammed word without being required to exist in both, I offer the following:

n-minex (= 10^-n)   : meninx
dozen             : zendo, zoned
dozens            : zendos
ten gross (= 1440): songster

Edited on July 1, 2016, 5:09 pm
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To be more precise, the constants represented by Greek letters, but for pi, phi, and possibly tau, are not known by the names of the Greek letters. In many cases the majiscule and miniscule forms of Greek letters represent different constants, though sometimes either form is used, and in others the font used plays a part.  
Anagrams of the (non-plural) Greek letters not known (by myself) to be used to represent a specific mathematical constant are as follows:

chi     : hic, ich
epsilon : pinoles
eta     : ate, eat, tae, tea
nu      : un   
omicron : moronic
sigma   : agism
upsilon : pulsion

Edited on July 4, 2016, 7:22 pm

Posted by Dej Mar on 2016-06-30 15:11:02