ὁμόγλωσσος
From LSJ
ἑτέρως ἠδύνατο βέλτιον ἢ ὡς νῦν ἔχει κατεσκευάσθαι → otherwise they could have been constructed better than they are now (Galen, On the use of parts of the body 4.143.1 Kühn)
English (LSJ)
ον, Att. ὁμόγλωττος,
A speaking the same tongue, Hdt.8.144, Phld.Po.2.72 ; τινι with one, Hdt.1.57,171, X.Cyr.1.1.5, etc.