Islamophobia comprises varied white nationalist conspiracy fears. [definitional]
Baby jihad is one important fear within a larger nexus of anti-Muslim sentiments. However, it is only one piece of the puzzle and doesn't represent the entirety of Islamophobia. It must be understood in conjunction with other white nationalist fears including those of stealth jihad, cultural jihad, civilizational jihad, and other false conceptions.
Margaret Hodson, Baby Jihad, loc. 56