Most common Thai words

[to] know full well

generosity; generous sharing

centipede (regional, especially Isan)

[to] commit adultery; have an extramarital affair

bright red; intensely red (informal)

clang; ringing sound of a bell

well-born; of high birth (literary)

home-loving; inclined to stay at home

father or mother; parents (respectful)

tangled; disorderly; confusingly entangled

fearful; timid; cowardly

sad; forlorn; wistful

flowering choy sum (Northern Thai)

carbon dioxide

[to] return a value

frequency modulation (FM)

beyond one's power or ability

biological child

HIV; AIDS-causing virus

heel (royal vocabulary)

[to] contribute capital; invest jointly

[to] chat and giggle intimately

[to] unfollow (slang)

[to] fight violently; wage war

ligament

lotus; lotus flower (literary)

[to] adulterate [sth]

dark-skinned; Black

conjunction

yang na tree

[to] translate; paraphrase

brown sugar

summary; synopsis

armlet; upper-arm ornament

armlet (literary)

[to] miss; long for; think of with affectionate concern

fabricating a story; making up a false account

[to] be badly affected; be far gone (colloquial)

gossiping

careful examination; analysis

roughness; coarseness

reluctant acceptance; unwilling compliance

supporting actor or character

agati; vegetable hummingbird tree

sluggishness; lethargy

fear; dread; intimidation

false accusation; unjust incrimination

[to] leave office; cease holding a position

[to] depreciate; decrease in value

[to] become worthless

[to] pass to [sb]; fall to [sb]'s share

[to] begin to mature into a young woman

worse still; to make matters worse

dearest; most beloved (literary)

in hunger and hardship; destitutely

milk (literary)

surge of determination; fighting spirit (informal)

lesson (literary)

colostrum

[to] address the ball (golf)

scrotum

[to] die; kick the bucket (colloquial)

account executive; AE

pedal; foot-operated control

exclamation of anger or scorn (literary)

because; since (formal or literary)

rubber bag; rubber pouch

[to] walk; travel on foot (literary)

weak; exhausted; unsteady

trousers; pants (Isan)

highly charming; romantically attractive

capital; funds

tongue (royal)

urine (royal)

[to] shift blame onto [sb]

narration or dubbing script

filth; extreme dirtiness

dirtiness; soiling

deceit; fraud; dishonesty (formal)

filthiness

application software

public entertainment venue; theater (formal)

lineage; ancestry; clan (literary)

iron (golf club)

stupidity; foolishness (informal) (insulting)

[to] be mistaken; judge wrongly

duplicate original; counterpart (formal)

gender (formal)

deftly; skillfully with the hands

staple (colloquial)

flat chest (colloquial, derogatory)

spread-eagled on one's back (colloquial)

[to] nestle close; lean against (literary)

[to] audit accounts

unless; except

front; cover

Asian swamp eel

Chinese phoenix; fenghuang

[to] sweep one's gaze over; scan

short and plump; squat