Riak Sinonim
Riak Sinonim Kata Kerja Borang
- undulate gelombang, riffle, aliran, purl, trill, spurtle, gurgle, gelembung, burble dribble, meleleh.
Riak Sinonim Kata Majmuk Borang
- ubahan gelombang, undulation, padang tembak, rimple, crinkle, kedutan, crumple, rumple, corrugation, permatang.