15 Letter Words That Start With SEM

There are 17+ 15 letter words beginning with SEM in our English dictionary. Every 15-letter SEM word below is valid in the Scrabble (TWL and SOWPODS), Wordle, and Words With Friends dictionaries, sortable and ready for your next puzzle. You can also browse all words starting with SEM.

Popular 15-Letter Words Starting With SEM

semiabstraction 21
semicentennials 19
semicolonialism 21
semiconductions 22
semiconsciously 24
semicrystalline 22
semicylindrical 25
semidocumentary 25
semilogarithmic 25
semimanufacture 24
semiparasitisms 21
semipornography 28

All 15-Letter Words Starting With SEM (13 words)

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How Common is SEM as a Start 15 Letter word?

There are 17 15-letter words starting with SEM in English. The average Scrabble score here is 22, with -S endings dominating (24% of them).

Total Words
17
Avg Scrabble Score
22.0
Most Common Ending (24%)
S
Top Vowel Pairs
IA
IO

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15 Letter Words beginning with SEM are often very useful for word games like Scrabble and Words with Friends. This list will help you to find the top scoring words to beat the opponent. Word Finder by WordTips gives you a list of words ordered by their word game points of your choice. You might also be interested in 15 Letter Words with SEM.

Are you playing Wordle? Try our New York Times Wordle Solver or use the Include and Exclude features on our 15 Letter Words page when playing Dordle, WordGuessr or any other Wordle-like games. They help you guess the answer faster by allowing you to input the good letters you already know and exclude the words containing your bad letter combinations.

Highest-Scoring 15-Letter SEM-Words in Scrabble

semipornography 28
semicylindrical 25
semilogarithmic 25
semidocumentary 25
semimanufacture 24
semiconsciously 24

What is the highest scoring word in Scrabble that starts with SEM?

28 Points

The highest scoring word in Scrabble that starts with SEM is semipornography with a total of 28 points.

S 1
E 1
M 3
I 1
P 3
O 1
R 1
N 1
O 1
G 2
R 1
A 1
P 3
H 4
Y 4

FAQ 15 Letter Words That Start With SEM

  • How many 15 letter words starting with SEM are in the English dictionary?

    There are 17 15-letter words in the English dictionary that start with SEM. The average Scrabble score across them is 22.

  • Are there any rare 15 letter words starting with SEM worth more in Scrabble?

    Yes. Uncommon 15-letter words like "semisubmersible", "semilogarithmic", "semiterrestrial", "semicolonialism" start with SEM and can score big thanks to their unusual letters. "semilogarithmic" is worth 25 points in Scrabble before any bonus tiles.

  • What are the most common 15 letter words starting with SEM?

    Everyday 15-letter words starting with SEM include "semiabstraction", "semicentennials", "semicolonialism", "semiconductions", "semiconsciously".