忍び忍び

しのびしのび

stealthily

忍耐

にんたい

endurance, perseverance, patience

忍術

にんじゅつ

ninja skills in secrecy

堪忍

かんにん

pardon, patient endurance, forbearance, forgiveness

堅忍

けんにん

perseverance

受忍

enduring (hardships, inconveniences, etc.); tolerating; accepting

忍辱

にんにく

endure shame and don't move your heart

軒忍

のきしのぶ ノキシノブ

Lepisorus thunbergiana (species of fern)

隠忍

いんにん

patience, endurance

忍冬

すいかずら スイカズラ

Japanese honeysuckle (Lonicera japonica)

忍法

にんぽう

ninja arts

忍ぶ

しのぶ

to conceal oneself, to hide

忍従

にんじゅう

submission, resignation

忍受

にんじゅ

enduring and accepting, submitting (to)

忍者

にんじゃ

ninja (persons in feudal Japan who used ninjutsu for the purposes of espionage, assassination, sabotage, etc.)

忍び

しのび

stealth

忍苦

にんく

endurance, stoicism

押忍

おっす おす

greeting used between close male friends, Hi!, yes sir!, yo!

忍刀

にんとう

Ninja sword