Tongan - English Dictionary
Ss
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.
......sa (n) arch of the roof-frames at early stage of building 
.....sai (adj) good fine; (v) recover from illness
.....sai'ia (v) like, admire
.....sali (v) rush by
.....salusalu (n) lei made of crepe paper or fibre 
.....sani (v) to keep clean, to spoil with care
.....Sanuali (n) January
.....sapa (n) supper
.....Sapate (n) Sunday
.....sasala (adj) spread (information / gossip)
.....sele (v) to intervene, or go between
.....sengai (n) sling shot
.....Sepitema (n) September
.....sepo (n) fluidy substance (soft runny cooked food)
.....sepuni (n) spoon
.....sesele (adj) silly, foolish
.....setuata (n) steward
.....sia (n) a mount
.....siaine (n) banana
.....siakale (n) circle
.....siana (n) man
.....sika (n) javelin
.....sikalub(n) screw
.....sila'i (v) seal (an envelope), to close and confirm 
.....sima (n) cement, concrete tank
.....sinamoni (n) cinnamon
.....sino (n) body; (adj) fat
.....sinou (n) snow
.....sio (v) to look, to see
.....siofi  (v) to observe, to watch closely
.....sioki (n) jug
.....sioloki (n) geology, geologist
.....sipi (n) blanket, sheep, mutton
.....sipi'i (v) slap
.....sisi (n) garland of flowers
.....sisina (v) to choke
.....Sisu (n) Jesus
.....siu (v or n) fishing trip
.....Siu (n) Jew/Jewish
.....Siulai (n) July
.....siva (adj) disappointed
.....sivi (v) to test, to examine; (n) a test, an examination
.....sofa (n) sofa
.....soka (n) soccer
.....soke (n) traditional dance with two sticks
.....sola (n) stranger, foreigner
....sosa (n) saucer
.....sosisi (n) sausage
.....sota (v) to weld
.....sote (n) shirt
.....sotia (n) soldier
.....su (n) shoe
.....suka (n) sugar
.  . sula (n) jury (v) trial by jury
.... suluka (n) cigarette
.....sululu (v) dancing
.... Sune (n) June
.....supo (n) soup
.... suti (n) suit