A derivative of Friederic is the name Friederick.
Friederic is uncommon as a baby name for boys. It is not in the top 1000 names.
Baby names that sound like Friederic include Fredric, Friederick, Friedrich, Friedrick, Freddrick, Frederic, Frederique, Frederyc, Fredrich, Fredrick, Fredrik, Fredryc, Fredryck, Fredryk, Fréderick, Fridrich, Fridrick, Fridrik, Feardorcha, and Fredderick.
† approx English pronunciation for Friederic: F as in "fee (F.IY)" ; R as in "race (R.EY.S)" ; IY as in "eat (IY.T)" ; D as in "day (D.EY)" ; IH as in "it (IH.T)" ; K as in "key (K.IY)"