The ___________ of both are armies shook hands with each other before the meeting.
The ___________ of both are armies shook hands with each other before the meeting.
Explanation
| Generally, a compound noun is made plural by changing main word only.
| |
| Singular Compound Noun | Plural Compound Noun |
| Car Park | Car Parks |
| Mother-in-law | Mothers-in-law |
| Commander-in-chief | Commanders-in-chief |
| Taxi Driver | Taxi Drivers |