"endows them with" is correct and usable in written English.
It is used to indicate that someone or something is giving something else an attribute or a quality. For example, "The professor's experience endows them with insight and knowledge."
It is the accuracy and detail inherent in crafted goods that endows them with lasting value.
A combination of electricity and magnetism accelerates the protons and thus endows them with energy.
Far from oppressing women, Islam endows them with plenty of rights; the problem lies in implementing those rights.
The mere act of articulating their sins and regrets endows them with a kind of poetic valor.
Byatt doesn't re-tell fairytales, she creates her own and endows them with intelligent intention and original power.
Because some of the investors hold a type of stock that endows them with an outsize number of votes, they have about 40percentt of Uber's voting power.
Price, by contrast, awards his characters great figurative powers, endows them with an ability to take everyone's clichés and customize them into something gleaming and fresh.
Long locked in indignant isolation but enormously proud of their democratic achievements, Taiwan's people must now accept that democracy endows them with greater responsibility for regional stability.
But the basic idea behind both devices is the same.A combination of electricity and magnetism accelerates the protons and thus endows them with energy.
Percussive tools generally have handles that allow them to be swung; that is, their rapid motion endows them with kinetic energy.
The jumbo stadium-style hot dogs are placed neatly inside a kaiser roll, big enough to contain the heaps of toppings Mr. Sable endows them with.
