Tawhid (Arabic: توحيد tawḥīd, meaning "oneness [of God]" also romanized as tawheed, touheed, or tevhid) is the indivisible oneness concept of monotheism in Islam. Tawhid is the religion's central and single-most important concept, upon which a Muslim's entire faith rests. It unequivocally holds that God is One (Al-ʾAḥad) and Single (Al-Wāḥid); therefore, the Islamic belief in God is considered Unitarian."Tawhid constitutes the foremost article of the Muslim profession of faith.
If you repeated the wrong words of others with out intention of its meanings of Shirk, you are not a Mushrik. Your faith is what is in your heart. Still you need to repeat Estighfaar for saying something wrong.
There are no other gods to show envy towards them.! We know one God, if there is more than that they (Hindu) should prove it.