'has some usefulness' is correct and usable in written English.
You can use it when discussing the value or utility of something. For example, "Despite its small size, this tool has some usefulness in that it can be used to easily open tight lids."
The report said lie tests, which measure pulse and breathing rates, sweating and blood pressure, had some usefulness in investigating particular crimes but were far from totally reliable.
THE BOTTOM LINE A review of the research on yoga suggests that it may have some usefulness in relieving pain, but more research is needed.
The Charlson index may also have some usefulness in comparing outcomes between ICU patient populations where the same acuity of illness score has not been used.
Our study indicates that MRI findings may have some usefulness for predicting the grade of knee laxity in patients undergoing ACL reconstruction, but its value is limited, especially in patients with a longer time interval between injury and the performance of MRI.
Our study indicates that MRI findings may have some usefulness for predicting the grade of knee laxity in patients with symptomatic ACL injury, but its value is limited, especially in patients with a longer time interval between injury and the performance of MRI.
Both cold milk and cold yogurt are believed to have some usefulness against cold sores.
Yes, yes, it has a backseat, so it has some of the usefulness of a car, like many four- and five-seat extra-cab pickups.
The OFDQ measure of pain and disability, designed for use in longitudinal intervention trials involving exercise rehabilitation for patients with osteoporotic vertebral fractures, has demonstrated some usefulness for tracking an individual's change over time [ 4], although it has not been used in clinical trials of medication and focuses on disability rather than QoL.
Manufacturing financial products became more profitable than manufacturing anything that may have had some social usefulness.
