Are pea size movable lumps underskin near groin/ thigh area normal?

Enlarged lymph nodes: Most likely it an enlarged lymph nodes. Specially it is a little tender to touch. Nothing to worry about. It is due to a minor pelvic or urinary infection. If you have vaginal discharge or urinary increased frequency go see a physician. You might need antibiotics. If it doesn't go away after few days it must be looked at under all circumstances.