2, 20-25, 20-30, 20's, 20s, 25-30, 40-45, 40-50, 40's, 40s, 45-50, 50-55, 50-60, 55-60, adult, associate, chatting, cheerful, colleague, color, colour, communicating, communication, control, conversation, conversing, daylight, daytime, delighted, dialog, dialogue, discussing, doc, enjoyment, evaluating, examining, expert, eyeing, fellow, female, fifties, fifty, forties, forty, gal, general practitioner, gentleman, glad, gratifying, guy, hall, happy, health, health-care, healthcare professional, healthcare worker, hearing, human, human being, implement, indoor, inside, jolly, joy, lady, laughter, lighthearted, listener, looking, male, md, medic, medical care, medical science, merry, mid life, middle age, middle aged, middle-age, middle-aged, negative space, passageway, person, physician, pleasing, pleasure, power, reader, satisfaction, seeing, smile, speaking, talker, three-quarter length, together, toiling, twenties, twenty, two, western european, white coat, white space, women, work, writing instrument,
