Related by context. Frequent words. (Click for all words.) 45 illness 35 Illness 35 sickness 34 mononucleosis 34 seriously ill 34 Lou Gehrig disease 34 pneumonia 33 chronic illness 33 complications 33 illnesses 33 ailment 32 diagnosed 31 treatable 31 strep throat 31 leukemia 31 cancer 30 pancreatic cancer 30 highly contagious 30 viral infection 30 staph infection 29 hospitalization 29 Lyme disease 29 gravely ill 29 brain tumor 29 bronchitis 29 disease 29 lung cancer 29 kidney failure 28 Alzheimer disease 28 rib injury 28 bacterial infection 28 colon cancer 28 chronic illnesses 28 gastroenteritis 28 disability 28 diagnosis 28 meningitis 28 encephalitis 27 norovirus 27 chronic diseases 27 ill 27 lung disease 27 emphysema 27 flulike symptoms 27 dengue fever 27 lymphoma 27 concussion 27 sick 26 kidney disease 26 influenza 26 brain hemorrhage 26 thigh injury 26 testicular cancer 26 knee injury 26 nagging injuries 25 Achilles injury 25 respiratory illness 25 injury 25 liver disease 25 infection 25 chicken pox 25 diseases 25 thyroid cancer 25 ailments 25 malady 24 tuberculosis 24 flu 24 liver cancer 24 ankle injury 24 calf injury 24 groin injury 24 unwell 24 colds 24 hamstring injury 23 measles 23 cervical cancer 23 irregular heartbeat 23 H#N# virus 23 symptoms 23 bereavement 23 sore throat 23 whooping cough 23 dehydration 23 breathing difficulties 23 renal failure 22 pertussis 22 mumps 22 appendicitis 22 infections 22 dementia 21 outbreak 21 swine flu 21 virus 21 mental illness 19 maladies 19 absences 19 injuries 19 affliction 19 eating disorder 17 poisoning 16 allergic reaction