The term 'orange, type of' can be completed with five different crossword solutions: TANGERINE (9 letters), Seville (7 letters), Valencia (8 letters), NAVEL (5 letters), and Osage (5 letters). Tangerines are a type of citrus fruit that is smaller and sweeter than an orange. Seville oranges are a sour variety of orange that is used to make marmalade. Valencia oranges are a sweet variety of orange that is often used for juicing. NAVEL oranges are a seedless variety of orange that have a small indentation at the top. Osage oranges are not actually oranges, but rather a type of pomelo that is green in color and has a thick rind.