Doppelganger
actual thing
antonym
articulation
carbon copy
copy
dead ringer
ditto
double
duplicate
equivalent
exact counterpart
expression
facsimile
free form
homograph
homophone
idem
identical same
lexeme
linguistic form
locution
logos
metonym
minimum free form
monosyllable
no other
none other
polysyllable
replica
selfsame
spit and image
spitting image
syllable
synonym
term
the same
the same difference
twin
usage
utterance
verbalism
verbum
very image
very same
vocable
word
homonyme
homonymic
homonymous
aspartic
electron-hole
electron-positron
enantiomeric
grand-ducal
ill-matched
male-female
newly-wedded
non-bonding
pole-zero
unshared
waad
well-matched