Here's why it's unclear:
* Double Consonant: This usually refers to a word where a consonant is written twice (e.g., "running," "letter").
* Different: This means not the same.
Without more context, it's impossible to know what "double consonant different" means.
Possible Interpretations:
* Typo: Perhaps the intended phrase was "double consonant *differently*," which might relate to how a consonant is pronounced in different words.
* Specific Term: This phrase might be a term used in a specific field like linguistics, phonetics, or a particular educational program.
* Misunderstood Phrase: Someone may have used the phrase incorrectly, and it's not a standard English expression.
To get a clearer understanding, please provide:
* The source of the phrase (book, conversation, website, etc.)
* The context in which it was used.
Let me know, and I'll be happy to help!