My words

腰

back, lower back, waist, hips, lumbar region, body (of hair, noodle, paper, etc.), resilience, spring

心臓

heart, guts, nerve, cheek, gall, spine, central part

背中

back (of body)

血

blood, consanguinity

肉

flesh, meat, the physical body (as opposed to the spirit), thickness, ink pad

肌

skin, body (in the context of intimate bodily contact), surface, grain (e.g. of wood), texture, disposition, temperament, character, type

皮膚

skin

骨

knack, skill, trick, secret, know-how, the ropes, hang

胸

chest, breast, breasts, bosom, bust, heart, lungs, stomach, heart, mind, feelings

風邪

common cold, cold, influenza, flu, ague

下痢

diarrhoea, diarrhea

病気

illness, disease, sickness

家族

family, members of a family

両親

parents, both parents

子供

child, children

お父さん

father, dad, papa, pa, pop, daddy, dada

お母さん

mother

妻

wife, my dear, dear, honey, garnish (esp. one served with sashimi), embellishment

夫

husband

兄

elder brother, older brother

姉

older sister, elder sister

弟

younger brother, little brother, kid brother, pupil, apprentice

妹

younger sister

兄弟

siblings, brothers and sisters, siblings-in-law, brothers-in-law, sisters-in-law, mate, friend

姉妹

sisters

お祖父さん

grandfather, male senior-citizen

お祖母さん

grandmother, female senior-citizen

孫

grandchild

伯父さん

uncle, old man, mister (vocative), manybar goatfish (Parupeneus multifasciatus)

伯母さん

aunt