Related by context. Frequent words. (Click for all words.) 65 Urine 60 saliva 58 urine sample 57 blood 54 urine samples 54 semen 54 urinalysis 54 fecal matter 53 feces 51 faeces 51 urinary 51 ammonia 50 cerebrospinal fluid 49 vomit 49 urinate 48 urine tests 48 fecal 48 electrolyte 47 lactate 47 fluids 46 bleach 46 excrement 46 excreta 46 glucose 46 electrolytes 46 secretions 45 excretion 45 swabs 45 breast milk 45 bloodstreams 45 bodily fluids 44 menstrual blood 44 metabolite 44 uric acid 44 testosterone 44 hematocrit 44 saline solution 44 bladder 44 milliliters 44 swab 43 pee 43 creatinine 43 male hormone testosterone 43 sputum 43 acid 43 acetone 43 vomited 43 droppings 42 cotinine 42 perspiration 42 bicarbonate 42 mucus 42 metabolites 42 spinal fluid 42 amniotic fluid 42 syringes 42 hemoglobin 42 colostrum 41 bloodstream 41 albumin 41 seminal fluid 41 sodium bicarbonate 41 mucous 41 oxygen 41 organic solvents 41 foul smelling 41 fluid 41 diuretic 41 mouthwash 41 excreted 41 toilet 41 hydrochloric acid 41 chloride 41 elevated testosterone 40 sperm 40 stress hormone cortisol 40 liquid 40 ml 40 blood transfusion 40 vomiting 40 serum 40 milk 40 lactic acid 40 acetaldehyde 40 poop 40 breathalyzer test 40 thyroid hormone 40 solids 40 kidney function 40 cortisol 39 animal feces 39 biotin 39 fluid intake 39 condensation 39 tomato juice 39 urination 39 nanograms 39 coliform bacteria 39 vitamin B# 39 breathalyzer tests 39 digestive tract