Hello problem with whatsapp

Hie, i think you have changed your input language, In Android phone you can type a message in your preferred language. Here is how you can select the languages to type your message –
Just go to Messages and then tap on ‘Create a New Message‘.
Come to the message body and then tap on Settings tab.
You will be then presented with keypad settings wherein you need to tap on to ‘Input Language‘.
Here you will be provided with a list of language supported and untick or tick the languages that you desire to choose while composing SMS.
When you are done click on OK.
Come back to the compose section of the message and enjoy SMS in your preferred language.