rick·rack 
(rĭkrăk′)
(rĭkrăk′)n.
A flat narrow braid woven in zigzag form, used as a trimming for clothing or curtains.
[Reduplication of RACK1.]
- submaxilla
- submaxillary
- submediant
- submerge
- submerged
- submergence
- submergibility
- submergible
- submerse
- submersed
- submersible
- submersion
- submicroscopic
- submicroscopically
- submillimeter radiation
- subminiature
- subminiaturization
- subminiaturize
- subminimum wage
- submiss
- submission
- submissive
- submissively
- submissiveness
- submit