Derrick \d(e)-rri-ck\ as a boy's name is a variant of Derek (English, Old German) and Theodoric (Old German), and the meaning of Derrick is "power of the tribe". See also Darrick and Jerrick.
The baby name Derrick sounds like Derryck, Derrik, Derreck and Derick. Other similar baby names are Dedrick, Delrick, Aerrick, Herrick, Kerrick and Merrick.