甲

carapace; shell

1st in rank; grade A

instep; back of hand

Law

the A party (e.g. in a contract); the first party; plaintiff (label in legal documents)

first sign of the Chinese calendar

Music

treble range (in Japanese music); high note

armor; armour

helmet (of a warrior); headpiece

high-pitched; shrill

result (that makes an act worthwhile); worth (in doing something); value; effect; use; benefit; avail

Godan verb with 'ru' ending (irregular verb)

to be effective; to be fruitful; to be worthwhile; to be worth; to be rewarded; to pay off

deck (of a ship)

armor and helmet

shell (of a crab, tortoise, etc.); carapace; plastron

(person's) back

years of experience

Koshien Stadium (baseball park in Nishinomiya, Hyōgo Prefecture)

National High School Baseball Tournament (held annually in August at Koshien Stadium); Summer Koshien

National High School Baseball Invitational Tournament (held annually in March at Koshien Stadium); Spring Koshien

Place name

Kōshien (district of Nishinomiya, Hyōgo Prefecture, location of Koshien Stadium)

After a noun or the -masu stem of a verb

result (that makes an act worthwhile); worth (in doing something); value; effect; use; benefit; avail

resourcefulness; ability (esp. to earn a living); dependability; reliability

brisk and efficient; diligent; devoted; spirited

carapace; shell; crust

Kōfu (city in Yamanashi)

rhinoceros beetle (esp. the Japanese rhinoceros beetle, Trypoxylus dichotomus)

useless; in vain

being good-for-nothing; useless person

crustacean

beetle

difficult to say which of the two is better; hard to tell which is better; (there is) little to choose between them