Spanish is the second most common "spoken" language. The second most common language is sign language.
Arabic is the second most common spoken language after Chinese. Hindi is number three, and English is the fourth most common.
The second most common language spoken in Alaska is Spanish.
The second most common vowel in the English language is 'I'. The most common vowel is 'E'.
Irish Sign Language is the second most common non-English language in Ireland.
The second most common language in America is Spanish.
Spanish.
No
Chinease
The second most common language in Latin America is Portuguese, predominantly spoken in Brazil.
English is the most common with Spanish a close second
If you are asking what the second most spoken language in the world is, by number of total speakers, it's English. If you are asking what the second most widely spoken language is, it's Spanish. If you are asking what language is the most common second language for people, it's English.