耐たえる

耐える is the common verb for enduring hardship or pain, while 堪る is rare and almost only appears as たまらない, meaning something is unbearable.

耐える is the common, neutral verb for enduring hardship, while 忍ぶ adds a literary, quietly patient nuance to the same idea of endurance.

耐える focuses on withstanding hardship or pressure over time and is often intransitive, while 堪える is transitive and describes actively holding back a specific feeling or urge.

耐える describes passively enduring pain or hardship, whereas 踏ん張る implies an active, forceful stance of refusing to give way.

耐える means simply to endure or bear something without necessarily resolving it, while 乗り切る implies successfully getting all the way through to the other side.