seasonal vs timeous

seasonal

noun
  • Anything that is seasonal, such as a financial trend, a product for sale, or an employee. 

adj
  • Of, related to, or reliant on a season or period of the year, especially with regard to weather characteristics. 

timeous

adj
  • in sufficient time; timely 

How often have the words seasonal and timeous occurred in a corpus of books? (source: Google Ngram Viewer )