Related by context. Frequent words. (Click for all words.) 31 theories 29 theory 27 explained 26 explaining 25 determine 24 unclear 23 noting 23 explains 23 probably 22 speculate 22 wondered 21 said 21 knew 20 thinks 20 figured 20 argues 20 says 20 noted 19 suggested 19 wrote 19 speculated 19 argued 19 discovered 18 thought 18 believed 18 traced 18 unsure 18 explain 17 contends 17 suggests 17 questioned 17 pointed 17 pinpoint 17 understood 17 stressed 17 might 16 testified 16 concluded 16 acknowledged 16 contended 15 observed 15 emphasized 14 cited 14 believes 14 predicted 14 joked 14 told 14 appeared 13 hoped 13 noticed 13 expressed concern 13 idea 13 indicated 13 hinted 12 predict 12 cautioned 12 worried 12 feared 12 suggesting 12 advocated 11 imagined 11 asserted 11 indicate 11 wonder 11 arguing 11 apparently 11 argue 10 blamed 10 indicating 10 predicts 9 insisted 9 suggest 9 worry 9 convinced 9 cite 9 realized 8 predicting 8 remarked 8 attributed 8 say 8 believe 8 notion 8 claimed 7 induced 7 alleges 7 termed 7 warned 7 known 6 contend 6 described 5 allege 5 fear 5 complained 4 dubbed 4 confessed 3 assumed 2 characterized 2 presumably 1 believing 0 warn -1 perceived