ichidan verb / transitive:

• to transfer (trains); to change (bus, train)
• to change one's mind; to move on to (e.g. a new love interest); to change methods; to change one's way of thinking

noun / ~の noun:

• red and white; colours for festive or auspicious occasions (colors)

noun:

• two teams; two groups
• Red and White singing contest; annual contest between male and female popular singers on New Year's Eve (sponsored and broadcast by NHK) - abbreviation ➜ 紅白歌合戦【こうはくうたがっせん】

expression / godan ~う verb:

• to quit (a shady business); to wash one's hands of; to cut one's ties with; to turn over a new leaf; to go straight - idiom
• to wash one's feet

noun:

• ceremony on the fifth day of the 10th lunar month in which the emperor would watch prize archery (Heian and Kamakura periods)
• first firing of the bow (after the New Year or the reconstruction of the archery range (in military families))

noun:

• free markets and open guilds (policy enacted by daimyo in the Azuchimomoyama Period (1573-1598) that weakened the strict regulations surrounding business establishment in market places and important cities, allowing new businesses to open in Joka-machi market places)

expression / noun:

• Day of the Rat (esp. the first Day of the Rat in the New Year)
• collecting herbs and pulling out young pine trees by the roots - abbreviation ➜ 子の日の遊び
• pine shoot pulled out in such a manner ➜ 子の日の松

godan ~す verb / transitive:

• to turn; to rotate; to gyrate
• to circulate; to send around
• to surround
• to put something to a new use (e.g. leftovers)

suffix / godan ~す verb:

• ... around (e.g. to chase someone around) - after the -masu stem of a verb
• to dial (e.g. telephone number)

godan ~す verb:

• to invest
• to gang-rape ➜ 輪姦す

noun / ~する noun:

• (the privilege to have) an audience (with one's lord, a dignitary, etc.); interview (with one's superior)
• one's debut (first) appearance; debut (of a new product, work of art, actor, etc.)
• trial service (of a servant)

noun:

• first Day of the Rat of the New Year
• first Day of the Rat of the month (esp. of the 11th month)

ichidan verb / intransitive verb:

• to open out (of a view, scenery, etc.); to spread out; to become clear (of a road, visibility, etc.); to open up
• to improve (of luck, prospects, etc.); to get better
• to develop (of a town, civilization, etc.); to become civilized; to modernize; to grow; to advance (of knowledge, ideas, etc.)
• to be sensible; to be understanding; to be enlightened
• to open (of a new road, railway, etc.); to be opened to traffic
• to become populous; to become densely built; to become bustling

ichidan verb / transitive:

• to open (a door, etc.); to unwrap (e.g. parcel, package); to unlock ［開ける］
• to open (for business, etc.) ［開ける］
• to empty; to remove; to make space; to make room - esp. 空ける
• to move out; to clear out - esp. 空ける
• to be away from (e.g. one's house); to leave (temporarily) - esp. 空ける

ichidan verb / intransitive verb:

• to dawn; to grow light - esp. 明ける
• to end (of a period, season) - esp. 明ける
• to begin (of the New Year) - esp. 明ける
• to leave (one's schedule) open; to make time (for) - esp. 明ける
• to make (a hole); to open up (a hole)