1500-2022 english case-insensitive smoothing=0
- array,class,disk,electric,file,function,matrix,message,method,paper,power,procedure
- 1502 array,class,disk,electric,file,function,matrix,message,method,paper,procedure
- smooth2 distributed,memory,procedure,routine,process,shared,storage,structure
- [smoothed subset](https://books.google.com/ngrams/graph?content=arr