Related by context. Frequent words. (Click for all words.) 70 sinus 61 lungs 61 nostrils 55 trachea 55 ear canal 55 airways 53 nostril 53 tonsils 53 sinusitis 53 esophagus 52 respiratory tract 52 airway 52 digestive tract 52 bladder 52 blood vessels 51 intestines 51 mucus 50 secretions 50 pores 50 nasal 49 windpipe 49 runny nose 49 acid reflux 49 bowel 48 intestine 48 arteries 48 sore throat 48 cavities 48 throat 48 gallbladder 48 sore throats 47 optic nerve 47 urethra 47 glands 47 lung 47 colon 47 sinus infection 46 reflux 46 blocked arteries 46 urinary tract 46 upper respiratory tract 46 lung tissue 46 stomach 46 cavity 46 gastrointestinal tract 46 inner ear 45 digestive 45 vagina 45 gums 45 vocal cords 45 cysts 45 inflammation 44 scar tissue 44 eardrums 44 thyroid gland 44 coughs 44 palate 44 cornea 44 abscess 44 sternum 44 artery 43 diaphragm 43 coronary arteries 43 cyst 43 clot 43 coronary artery 43 eyelids 43 sneezing 43 allergies 43 hair follicles 43 pus 43 ear infection 43 redness 43 gastric 42 anus 42 scarring 42 pimples 42 insides 42 veins 42 abdomen 42 edema 42 vocal chords 42 small intestine 42 lesions 42 hay fever 42 internal organs 42 rectum 42 cheeks 42 aortic valve 41 gall bladder 41 thyroid 41 uterus 41 ear infections 41 acne 41 larynx 41 toothache 41 clots 41 cervix 41 hematoma 41 tummy 41 nose