Two-ending compound adjectives

Callaina

Feles Curiosissima

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Hi! I've noticed that many compound adjectives (e.g. ἄτιμος, πολύχρυσος) tend to take two endings (ος , ον). I'm wondering whether this is a general rule: do all (or essentially all) compound adjectives do this (I mean of the ones that follow the 1/2 decl. pattern at all -- I know there are 3rd dcl. compounds as well.) Or, put another way: do any Greek compound adjectives take ος, α, ον endings?
 

Pacifica

grammaticissima

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Glabrigausapes

Viper

  • Civis Illustris

The only exceptions that come to mind, and some of them can hardly be called that, are names like Τισιφόνη, as from the simplexes τί(ν)ω + φόνος 'she who avenges murder' or Καλλιρόη (< ρόος, but there is also φονή & ροή so it's somewhat moot).
 

Pacifica

grammaticissima

  • Civis Illustris

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Actually, there's ἀμβρόσιος.
 
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