i-adjective
Describes a person or situation that easily falls into a negative state or behavior. Often used with nouns like 誤解 (misunderstanding), 罠 (trap), or 過ち (mistake).
彼は誤解に陥りやすい性格だ。
He has a personality prone to misunderstandings.
この手の議論は感情論に陥りやすい。
This kind of argument tends to fall into emotionalism.
A suffix meaning 'easy to' or 'likely to'. 陥りやすい is a specific compound using this suffix with the verb 陥る (to fall into).
Also means 'tend to' or 'prone to', but がち attaches to nouns or verb stems and often implies a negative tendency. 陥りやすい is more neutral and focuses on ease of occurrence.
Compound of the verb 陥る (ochiiru, 'to fall into') in its continuative form 陥り (ochiiri) + the auxiliary adjective やすい (yasui, 'easy to'). The kanji 陥 means 'fall into' or 'cave in'.