There are 14 13-letter words that start with 'spec'.
| specialnesses | specification |
| specificities | spectacularly |
| spectatorship | spectinomycin |
| spectrographs | spectrography |
| spectrometers | spectrometric |
| spectroscopes | spectroscopic |
| specularities | speculatively |
Note: These 14 13-letter words that start with 'spec' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with speci, spect, specu, speck, specc, specs.
5-letter words start with 'spec' (2)