σύναινος
σύναινος, agreeing with
Alas! Could not find the search term σύναινος.
Found the closest form συναινοῖεν. Other nearby forms can be found in the wordwheel, or perhaps try searching again without accents.
Morpho works with a static database. If you like, you can compare the output of Morpheus.
Parsed as:
present active optative 3rd plural of συναινέω
No checked forms of σύναινος in the morphology database.