εὐθυδίκαιοι

Morpho works with a static database. If you like, you can compare the output of Morpheus.

Parsed as:

masculine nominative plural (cp εὐθυδίκαιος)
masculine vocative plural (cp εὐθυδίκαιος)
✓ feminine nominative plural (cp εὐθυδίκαιος)
feminine vocative plural (cp εὐθυδίκαιος) of εὐθύδικος