ともに・共に・倶に・供にtomoni[0]heiban (flat)

1. adverbtogether; jointly
   私と共ともに来きてくれませんか。↗

   Would you mind coming with me?
2. adverbat the same time; with; as ...; including; along withoften as ...とともに
3. adverbboth

• Synonym一緒にいっしょにNeutralThe most common colloquial word for 'together'; 「共に」 is more written in feel and can also mark accompaniment, as in 「年齢と共に」.
• Synonym共々ともどもNeutralAlso means together and can attach directly after a noun, as in 「家族共々よろしく」; often heard in greetings.
• Related同時にどうじにNeutralPoints to things happening at the same moment or held at the same time, as in 「同時に始まる」; the emphasis is on timing, not joint action.
• Related共々にともどもにWrittenWritten/formal prose for acting together or hand in hand, as in 「親子共々に」, stressing that everyone takes part together.
• Related相共にあいともにWrittenA solemn written/formal word for doing something together; grand in tone and rarely seen in modern Japanese.
• Antonym一人でひとりでNeutralAntonym: by oneself, without anyone's help — the opposite of being together with others.
• Antonym単独でたんどくでNeutralAntonym: doing something alone or independently, the opposite of acting 「共に」 with others.

In everyday speech say 「一緒に」; 「共に」 is the written/formal choice and can also mark accompaniment as in 「年齢と共に」. Use 「同時に」 for the same moment, 「共々」 in greetings, and 「一人で」 or 「単独で」 when acting alone.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 一緒いっしょに、伴ともなって。