Mark has the compounded form with sun-, squeezed together. In Mark alone. Barren in results. In Mark alone. It kept on yielding as it grew.
Fruit is what matters.
Only in Mark. Vivid recollection of Peter. They did not want the multitude to see that they did not understand the teaching of Jesus . It is frequent in Daniel and O.T. Apocrypha . Matthew and Luke use it here in the plural.