SimilarityRank
occurence 0.878 71728
occurrence 0.851 8881
occuring 0.792 45089
occurrences 0.780 19018
occured 0.714 29550
occurring 0.690 6651
occurs 0.676 3023
occur 0.675 2067
causes 0.663 1746
cause 0.658 570
incidences 0.651 38601
side-effect 0.634 45586
happens 0.629 1364
outbreaks 0.615 18613
recurrences 0.614 68292
flare-up 0.614 73470
reoccur 0.613 94397
complication 0.612 17641
itis 0.607 93271
symptom 0.605 10426
incidence 0.601 9600
ailment 0.599 18379
caused 0.599 1375
reoccurring 0.596 50393
happen 0.595 904