This is the 3115th most frequent Japanese word.
停戦
Ceasefire.
In this sentence, '停戦' is used as a noun meaning a ceasefire agreement, indicating the cessation of hostilities between opposing parties.
双方は停戦に合意しました。
Both parties agreed to a ceasefire.
Here, '停戦' as a noun refers to the action or state of ceasefire, marking the beginning of peace talks.
停戦が行われた後、会談が始まりました。
After the ceasefire was enacted, discussions began.
In this context, '停戦' is used as a verb inflectedly to express the act of enforcing or entering into a ceasefire.