Borrowed from Latin ruga.
ruga (plural rugae)
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You can also try words with the phrase RUGA, words starting with the letters RUGA, or words ending in the letters RUGA.
Words… ending with q, starting with q, starting with qa, starting with qo, with two letters, starting with x, starting with j, ending with j,
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ZDSU, WBZPXUC, YNRITJF, IQWWECG, TXXUSY, SABMG,