The phrase "a growing split" is correct and usable in written English.
It can be used to describe an increasing division or disagreement between groups, individuals, or ideas.
Example: "The recent events have led to a growing split within the community, making it difficult to reach a consensus."
Alternatives: "an increasing divide" or "a widening gap".
That has led to a growing split between the administration and Brig.
The world is seeing a growing split between liberal democracies and growing autocracies.
The position puts him at odds with the president of Germany's central bank and highlights a growing split in the country's policy-making elite.
The result is a gulf not only between America and the rest of the industrialized world, but a growing split at home as well.
But these huge developments are anathema to many environmentalists and community activists — and the divisions reflect a growing split among people usually thought to be on the same side.
Silvio Berlusconi's PDL (People of Freedom) party, already on the verge of disintegration thanks to dismal poll ratings and a growing split between pro and anti-Berlusconi factions, suffered a humiliating defeat.
The first alarms went off in Mr. Morsi's inner circle on June 21, when General Sisi issued a public statement warning that the growing "split in society" between Mr. Morsi's supporters and opponents compelled the military "to intervene".
16. (SBU) Consulate Kolkata reported on the growing split within the CPI-M (reftel).
Mao and his colleagues regarded Confucius's philosophy as the ideological glue of the feudal system they destroyed; and so attempts to promote him are vulnerable to the growing split in the Communist Party.
The growing split in the ranks of the members of the league, combined with Henry's well-timed conversion to Roman Catholicism, enabled Henry to seize the initiative and enter Paris, almost unopposed, in 1594.
Egypt's interim prime minister moved swiftly to try to defuse the growing split between demonstrators and army chiefs, who are effectively running the country by decree until elections are held later this year.
