"considerable similarities" is a perfectly acceptable phrase in written English.
You can use it to compare two or more things that have many significant similarities. For example, "There are considerable similarities between the systems of the two countries."
Discussions about the NRHM in 2007 with civil society groups and researchers in other Indian states revealed considerable similarities in poor women's experiences of seeking care during pregnancy, and a similar concern with the implementation of the JSY strategy.
Still, the flubbed oath will always link Roberts and Obama, whose lives reflect considerable similarities as well as major differences.
Findings also show considerable similarities in where students are performing less well and in tutor perceptions of the reasons why.
We found considerable similarities in local LD patterns between three Asian populations (Han Chinese, Japanese, and Korean) and the CEPH population.
The ecology of this species is poorly known, but initial field observations suggest considerable similarities between it and the more widespread and well-studied Elegant Crested-Tinamou (Eudromia elegans) with which it forms a superspecies.
Several of those who had met and interviewed Dhar prior to his disappearance said there were considerable similarities in tone of voice and appearance between him and the man in the video now inevitably dubbed the "new Jihadi John".
It's traditionally in poor taste to refer back to a game (Terraria) in this manner, but it doesn't take a space traveler to determine there are some considerable similarities between the two titles and that some comparison is inevitable.
This found considerable similarities with the French contrat de Pays (Toccaceli 2012 28) and the functioning of the collectivités territoriales (Rouger 2014), as well as with other systems in Belgium (Collignon 2014) and LEADER-based experiences in Spain (Gallego Moreno 2014).
Whistler was also greatly influenced by his colleague and friend Albert Joseph Moore, and their works show considerable similarities.
Along with the hemmema, it was the type of "archipelago frigate" that closest fit the description, showing considerable similarities with small ocean-going frigates.
Third, eight AbSV ORF-encoded proteins share considerable similarities with bacterial proteins.
