This is the 4503rd most frequent Japanese word.
寄り添っ
"寄り添っ" means "to snuggle up" or "to get close (physically or emotionally)."
寄り添って means ‘to stay close to’ and signifies being emotionally or physically close to someone for support.
大切な友人に寄り添って支えることが重要です。
It is important to support and stay close to a dear friend.
寄り添いながら indicates ‘being immersed’ or closely associating oneself with the beauty of nature emotionally.
自然の美しさに寄り添いながら散歩しました。
I took a walk while being immersed in the beauty of nature.
寄り添う signifies ‘to support closely’ or ‘to be in conjunction with,’ showing empathy and involvement.