| Subject | English | Irish |
| transp., mech.eng. | coefficient of adhesion | comhéifeacht ghreamaitheachta |
| stat. | coefficient of correlation | comhéifeacht comhghaolúcháin |
| stat., tech. | coefficient of correlation | comhéifeacht comhghaolaithe |
| comp., MS | coefficient of determination | comhéifeacht chinntiúcháin (A number from 0 to 1 that reveals how closely the estimated values for the trendline correspond to your actual data. A trendline is most reliable when its R-squared value is at or near 1) |
| stat. | coefficient of determination | comhéifeacht chinntiúcháin |
| market., transp., construct. | coefficient of equivalence | comhéifeacht choibhéise |
| mater.sc., mech.eng. | coefficient of friction | comhéifeacht frithchuimilte |
| stat., tech. | coefficient of linear correlation | comhéifeacht comhghaolaithe |
| stat., tech. | coefficient of partial correlation | comhéifeacht pháirt-chomhghaolúcháin |
| energ.ind., tech. | coefficient of performance | comhéifeacht feidhmiúcháin |
| mech.eng. | coefficient of power | comhéifeacht fuinnimh |
| phys.sc. | coefficient of tangential momentum transfer | comhéifeacht thraschur an mhóimintim thadhlaíoch |
| stat. | coefficient of variation | comhéifeacht athrúcháin |
| stat. | empiric coefficient of variation | comhéifeacht athrúcháin |
| stat., scient. | Pearson coefficient of correlation | comhéifeacht comhghaolúcháin Pearson |