expression / godan ~む verb:

• to work hard at one's lessons

noun:

• euphoria experienced by college students or workplace recruits at the beginning of school or work ➜ 五月病・六月病

noun:

• service at the head office; work at the home office ➜ 詰め【つめ】

noun / ~する noun:

• leaving (e.g. work at end of day); withdrawal (e.g. from a noble's or superior's presence); exit (e.g. from a market)

noun:

• flower circle (equiv. of gold star awarded to kids for good work at school) ➜ 二重丸

ichidan verb:

• to continue to work; to work away (at)

noun:

• double circle; 'good work' (equiv. of silver star awarded to children at school)

noun:

• manager (e.g. of a business, an idol, etc.)
• in a sports team (esp. at school) someone who does the routine drudge work

noun / ~する noun:

• resignation; leaving office
• leaving work (e.g. at the end of the day) Antonym: 出社

adverb:

• bang bang (sound of a hammer or gunfire) - onomatopoeia
• doing something at a mad pace (spend money, work)

godan ~ぐ verb / transitive:

• to earn (income); to make (money)
• to score (points, victory); to gain (time); to play (for time)

godan ~ぐ verb / intransitive verb:

• to work hard (at one's job); to labor; to labour; to toil