There are 13 words that start with 'splin'.
| spline | splint | splined |
| splines | splints | splining |
| splinted | splinter | splinters |
| splintery | splinting | splintered |
| splintering | ||
Note: These 13 words that start with 'splin' are found from the USA & Canada version of the tournament Scrabble word list.