二

good and evil dualism; Manicheanism

(French) Second Republic

Music

second violin; second violinist

Proverb

best is Fuji, second is a hawk, third is an eggplant (of auspicious things to see in a dream, esp. one's first dream of the year)

hookworm

one country, two systems (Chinese policy allowing for areas such as Hong Kong to maintain their own economic and administrative systems)

Physics

second law of thermodynamics

assistant chief of staff, g2

conjugation (inflection, declension) of nidan verbs (resulting in a stem of either "e" or "u" for every conjugation)

two-part; two-component

you are what you eat; slogan encouraging consumption of local seasonal foods for one's health; indivisibility of the body and the land (because the body is made from food and food is made from the land)

to give birth

biceps femoris muscle

Jocular, humorous term; Slang

being twice divorced; two-time divorcee; two "X" marks (i.e. two names struck from the family register)

Hanafuda

second player (out of three); player that goes after the dealer

uranium-235 (U-235)

motorcycle less than or equal to 125cc

Buddhism

good and evil are but two faces of the same coin

Computing

two-factor authentication

Zoology

reticulum

Mathematics

duodecimal system; base twelve system

rival labor union; rival labour union

isosceles right triangle

lost twenty years; first two decades of economic stagnation in Japan that began ca. 1991