Akademik

underpredict
\\¦ ̷ ̷  ̷ ̷  ̷ ̷ ¦ ̷ ̷ \ transitive verb
Etymology: under (I) + predict
: to predict too small a value for : underestimate

the model also underpredicted imports and overestimated exports — Anatole Kaletsky

underprediction \\ˌ ̷ ̷  ̷ ̷  ̷ ̷ ˈ ̷ ̷  ̷ ̷ \ noun

Useful english dictionary. 2012.