The phrase "although innumerable" is correct and usable in written English.
It can be used to introduce a contrast or exception, often in a context where something is being acknowledged despite its vastness or multitude.
Example: "Although innumerable challenges lay ahead, we remained determined to succeed."
Alternatives: "despite the countless" or "even though there are numerous".
Although innumerable bilateral energy exchange projects show promising project values that would outweigh their costs, surprisingly, only a fraction of these projects could be realized.
Although innumerable studies have analyzed the multiple aspects of osteoporotic vertebral fractures, no study has focused on the clinical features related to spine pain in patients with recent osteoporotic vertebral compression fractures (VCFs).
Although innumerable studies in animal models, mostly rodents, clearly show that purified genistein can induce adverse reproductive effects, most of these findings have little relevance to humans consuming soy foods, and especially to infants fed soy formulas.
Although served by innumerable men of learning and devotion, among them Griffith Jones, whose circulating schools contributed immeasurably to the growth in literacy, the church was racked by poverty and inadequate leadership.
Although there are innumerable ARGs in environment, at least those with high clinical relevance, such as mecA, extended spectrum beta-lactamases, and NDM-1, could also be monitored.
Although Mr. Galli said he has had innumerable mentors over the years, he said the biggest lessons in business were gleaned from his parents.
Although this pre-analytical procedure is performed innumerable times every day in all medical laboratories worldwide, the influence of centrifugation on laboratory results has only rarely and only recently been investigated [ 1- 3].
Although many projects are in the private sector, innumerable others — including bridge and highway repairs, new subway stations and other infrastructure work — are financed by taxpayers.
Although its cultural and intertextual musings could fuel innumerable doctorates, the real meat of Broken Glass is its comic brio, and Mabanckou's jokes work the whole spectrum of humour.
Although the tribal population is considered vulnerable to innumerable adversities, regretfully information about pregnancy wastage among them is not available.
Although Spinoza repeatedly insists that the variety of affects is innumerable, he nevertheless does characterize, in his own terms, many of the traditional passions, each of which is a kind of joy, sadness, or desire.
