The phrase "adding to suspicion" is correct and usable in written English.
It can be used when discussing actions or events that increase doubt or mistrust regarding a situation or person.
Example: "His sudden change in behavior was adding to suspicion among his colleagues."
Alternatives: "increasing doubt" or "fueling mistrust".
Nothing was heard of Mr. Aghwani or Mr. Arafat on Tuesday, adding to suspicions that the two may have set out on a separate suicide mission — and explaining a possible source of the confusion.
It was also the second anniversary of the bombing of the destroyer Cole off Yemen that was linked to Al Qaeda and left 17 sailors dead, adding to suspicions that the attacks are connected.
Last month one of her co-authors alleged that Dr Obokata had switched mice in her previous experiments, adding to suspicions that her STAP cells were actually embryonic stem cells.The frenzy around Dr Obokata's rise and her vertiginous fall continues to reverberate.
A Greek official said passport belonged to a migrant who arrived on the island of Leros on October 3. Serbian officials, however, said they detained a man on Monday using another Syrian passport with the same number, adding to suspicions that the Paris attacker may have used forged documents.
Each revelation in the saga has added to suspicion that Enron may not be an anomaly, that much greater risk resides in stocks today than investors had thought.
And in the past year its readiness to pay a growing price for its determination to press on with enrichment and so master the entire nuclear-fuel cycle has inevitably added to suspicion of its intentions.
The books, ideas, and people flowing from these lands into Muscovy in the 17th century, however, were hardly less suspect than those of Roman Catholic Poland, and, as these "aliens" acquired a dominant position in Muscovite cultural affairs, resentment was added to suspicion.
