Yes, rip is playable
...and is worth 6 points.
Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Rip" Definition
noun
A stretch of water in a river, estuary, or tidal channel made rough by waves meeting an opposing current.
A torn or split place, especially along a seam.
verb-transitive
Computer Science To copy (audio or audio-visual material from a CD or DVD).
Informal To produce, display, or utter suddenly: ripped out a vicious oath.
To cut, tear apart, or tear away roughly or energetically. See Synonyms at tear1.
To split or saw (wood) along the grain.
To subject to vehement criticism or attack: The critic ripped the tedious movie.
verb-intransitive
Informal To move quickly or violently.
To become torn or split apart.
phrasal-verb
Rip off Slang To exploit, swindle, cheat, or defraud: a false advertising campaign that ripped off consumers.
Rip off Slang To steal from: thieves who ripped off the unsuspecting tourist.
Rip off Slang To steal: ripped off a leather jacket while ostensibly trying on clothes.
verb
To tear or split apart or open.
To saw or split (wood) with the grain.
To slash or slit with or as if with a sharp blade.
To utter violently spit out.
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