1) Abounding 2) Abundant 3) Abundantly prevalent 4) All over 5) All over the place 6) Chockablock 7) Crawling with 8) Current 9) Epidemic 10) Excessively abundant 11) Extra plentiful 12) Extra-plentiful 13) Filled 14) Hardly scarce 15) In abundance 16) In widespread use 17) Loaded 18) Lousy with 19) More than prevalent Found on https://www.crosswordclues.com/clue/rife
[Adjective] Widespread or common. Example: Poverty and disease were rife in inner city slums in the 19th century.
Found on http://www.bbc.co.uk/skillswise/glossary/
Rife adjective [ Anglo-Saxon rīf abundant, or Icelandic rīfr munificent; akin to OD. riff , rijve , abundant.] 1. Prevailing; prevalent; abounding. « Before the plague of London, inflammations of the lungs were rife and mortal.» Found on http://www.encyclo.co.uk/webster/R/81