Contains frequencies, orthographic neighbours, and word type information for 62,114 Persian words and 1800 plausible NWs, LDRTs from 113 participants for 1800 Persian words and NWs, and a frequency dictionary from the 12.66 billion word CC-100 Persian Web Corpus (Conneau, Khandelwal, et al., 2020; Wenzek, Lachaux, et al., 2020).