noun / adverbial noun / suffix noun:

• (approximate) time; around; about; toward - ごろ when used as a suffix
• suitable time (or condition) ➜ 食べ頃
• time of year; season

noun:

• calabash (Lagenaria siceraria) - obscure term ➜ 夕顔

noun:

• roller; runner; dried whale blubber - obscure term ➜ ころコンベヤ・ころ軸受け

prefix:

• self-
• from ... ［じ］ ➜ 至
• this ... (in contrast to some other ...); aforementioned ［じ］

noun:

• ancient Rome - abbreviation ➜ 古代ローマ

godan ~す verb / transitive:

• to kill

godan ~ぶ verb / intransitive verb:

• to fall down; to fall over
• to turn out; to play out ［ころぶ］ - oft. as どう転んでも
• to abandon Christianity (and convert to Buddhism); to apostatize ［ころぶ］ - in early Japanese Christianity
• to roll; to tumble ➜ ころがる
• (for a geisha) to prostitute (herself) in secret - archaism

godan ~す verb / transitive:

• to roll
• to turn over; to tip over; to throw down
• to leave
• to buy and sell (quickly for a profit)

godan ~る verb / intransitive verb:

• to roll; to tumble
• to fall over; to roll over
• to lie down
• to be scattered about; to be lying around
• (of a situation or outcome) to change; to turn out
• to come easily; to be common; to fall into one's hands; to grow on trees

noun:

• clothes; garment
• gown; robe
• coating (e.g. glaze, batter, icing)

noun:

• murder; killing; murderer

noun / ~する noun:

• seasonal change of clothing; changing (one's) dress for the season - reading is gikun for 更衣 ➜ 更衣【こうい】
• renovation; facelift; changing appearance

~と adverb / adverb / ~する noun:

• lightly rolling (of a small and round thing) - onomatopoeia
• pleasant, high-pitched sound (e.g. bell, young woman's laughter) - onomatopoeia
• changing frequently (e.g. conversation, plans); (occurring) in rapid succession (e.g. sumo wrestlers being defeated); fickly; in a fickle manner - onomatopoeia
• roly-poly - onomatopoeia

~と adverb / adverb:

• chirp chirp; sound of insects - onomatopoeia
• ribbit ribbit; croak croak; sound of frogs - onomatopoeia ➜ ケロケロ

noun:

• roller; lint roller; paint roller ［ころころ・コロコロ］ - onomatopoeia

ichidan verb / intransitive verb:

• to fall off; to tumble down

noun:

• old people; seniors; elders; old-timer

noun:

• professional killer; hit man

expression / noun:

• clincher; pick-up line; honeyed phrase; telling phrase; phrase that brings someone around, esp. in personal relationships ➜ 口説き文句【くどきもんく】

noun:

• dozing

godan ~む verb / intransitive verb:

• to roll in; to tumble into; to visit (esp. to stay overnight as an unwanted guest); to come to live with
• to fall in one's way; to fall into one's lap

noun:

• quiver (worn on the right hip; post-Nara period)

expression:

• the clothes do not make the man; the cowl does not make the monk - proverb

adverb:

• sound of something small rolling once (often into a hole) - onomatopoeia
• easily
• suddenly
• completely (e.g. forgetting); utterly
• disappointing
• curling up into the fetal position; going to sleep suddenly

noun:

• falsely-provoked arrest for obstruction; police pretending to be knocked down so as to have grounds for an arrest ➜ 公妨

expression:

• prevention is better than cure; an ounce of prevention is worth a pound of cure; look before you leap; forewarned is forearmed; a stitch in time saves nine; a walking stick before stumbling [literal] - proverb

~と adverb:

• easily; effortlessly; suddenly; utterly - onomatopoeia
• changing completely

noun:

• plink (sound of something light falling or rolling)

godan ~う verb:

• to kill each other

noun:

• body louse (Pediculus humanus humanus); body lice

adjectival noun / noun:

• stubbornly sticking to old ways; dislike of new things; narrow-mindedness

godan ~す verb:

• to knock down; to topple

noun:

• sleeve