Looking on the internet deeply has found these results:

is constituted by is the most popular phrase on the web.

is constituted of 151,800 results on the web	is constituted by 1355,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
undue influence from the Executive and is constituted of qualified and motivated ... Agency, as being, by reason of the way it is constituted, of course, biased in�... Jul 6, 2012 ... "Z is constituted of X and Y". I think it's generally best as an active verb without either preposition. "X and Y constitute Z" means "X and Y are set�... A politician's electorate is constituted of individual constituent voters. Chex Party Mix is constituted of a delightful mix of constituent parts: Chex cereal, pretzels,�... A gas sample of 17.0 g is constituted of 15.8 g of carbon, the rest being hydrogen. Given that the sample's volume is 4.9 L at NTP conditions, calculate the�...	4 and the receptor alpha chain is constituted by two independent binding�... 23 20:10:13 UTC #1. The New Inquiry interviews Miranda Joseph, author of the�... 407. The high He may, in fact, be called the father of modern pathology, for his view, that every animal is constituted by a sum of vital units, each of which manifests the�... 02 affinity interaction of human IL J Mol Biol. 2002 Jan 18;315(3):399 How subjectivity is constituted by financial relations � Frontpage � e_flux 2016

is constituted of

151,800 results on the web

is constituted by

1355,000 results on the web

More popular!

undue influence from the Executive and is constituted of qualified and motivated ... Agency, as being, by reason of the way it is constituted, of course, biased in�...
Jul 6, 2012 ... "Z is constituted of X and Y". I think it's generally best as an active verb without either preposition. "X and Y constitute Z" means "X and Y are set�...
A politician's electorate is constituted of individual constituent voters. Chex Party Mix is constituted of a delightful mix of constituent parts: Chex cereal, pretzels,�...
A gas sample of 17.0 g is constituted of 15.8 g of carbon, the rest being hydrogen. Given that the sample's volume is 4.9 L at NTP conditions, calculate the�...

4 and the receptor alpha chain is constituted by two independent binding�...
23 20:10:13 UTC #1. The New Inquiry interviews Miranda Joseph, author of the�...
407. The high
He may, in fact, be called the father of modern pathology, for his view, that every animal is constituted by a sum of vital units, each of which manifests the�...
02
affinity interaction of human IL
J Mol Biol. 2002 Jan 18;315(3):399
How subjectivity is constituted by financial relations � Frontpage � e_flux 2016