でも

Attached to a noun, でも offers it as one casual example of what one might do, like 'or something'. It keeps a suggestion, invitation, or plan light and non-committal.

Common in both polite and casual speech. It typically appears with invitations (〜ませんか, 〜ましょう) and with volitional forms (〜ようかな), making the offer or plan sound relaxed and open to alternatives. Unlike listing particles such as や or とか, it usually names just one example.

• とかN5「とか」can list multiple examples, is strongly colloquial, and can also indicate hearsay;「でも」usually gives only one example and is mostly used for suggestions or invitations, replacing「が」or「を」, whereas「とか」can be followed by「が」or「を」.
• なんか / なんてN3「なんか／なんて」also attach to nouns to mean 'things like…', but often carry a dismissive, humble, or negative nuance and are too casual for formal situations;「なんて」can also attach to sentences to express surprise, a usage「でも」does not have.
• やN5「や」lists two or more nouns as partial examples, often paired with「など」, and can be used to state facts; when「でも」means 'things like…' it usually gives only one example and is used for suggestions, invitations, or intentions, so the two are generally not interchangeable.
• 〜や〜などN5They overlap only in the 'things like…' meaning.「〜や〜など」lists two or more items and can state facts, with「が」or「を」added after「など」;「でも」usually gives one example, is used for suggestions, invitations, or intentions, and replaces「が」or「を」.

や and 〜や〜など list two or more nouns as a non-exhaustive set ('A, B, etc.'), and とか lists examples casually, often more than one. でも instead offers a single item as a light suggestion. なんか / なんて can also mean 'something like', but they are more colloquial and can sound dismissive.