How to spell TERNSIGNAL correctly?

If you misspelled "ternsignal", the correct suggestions would be "turn signal" or "tern signal". The proper term is "turn signal", indicating the direction a vehicle intends to go. However, if you were referring to a specific type of signal related to tern birds, "tern signal" could be a suitable alternative. Remember to be mindful of context when correcting misspellings.