ὀρθός, -ή, -όν [in LXX chiefly for יָשָׁר ;] straight; __(a) in height, straight, upright: Act.14:10; __(b) in line, straight, direct: fig., Heb.12:13 (LXX).† (AS)
Thayer:
1) straight, erect 1a) upright 1b) straight, not crooked
ὀρθός
orthos
or-thos'
Probably from the base of G3735; right (as rising), that is, (perpendicularly) erect (figuratively honest), or (horizontally) level or direct
G461 ἀνορθόωἀνορθόω
anorthoō
an-orth-o'-o
From G303 and a derivative of the base of G3717; to straightenup
KJV Usage: lift (set) up, make straight.
G1357 διόρθωσιςδιόρθωσις
diorthōsis
dee-or'-tho-sis
From a compound of G1223 and a derivative of G3717, meaning to straightenthoroughly; rectification, that is, (specifically) the Messianic restoration
KJV Usage: reformation.
G1930 ἐπιδιορθόωἐπιδιορθόω
epidiorthoō
ep-ee-dee-or-tho'-o
From G1909 and a derivative of G3717; to straightenfurther, that is, (figuratively) arrangeadditionally
KJV Usage: set in order.
G2735 κατόρθωμακατόρθωμα
katorthōma
kat-or'-tho-mah
From a compound of G2596 and a derivative of G3717 (compare G1357); something madefullyupright, that is, (figuratively) rectification (specifically good public administration)
KJV Usage: very worthy deed.
G3716 ὀρθοποδέωὀρθοποδέω
orthopodeō
or-thop-od-eh'-o
From a compound of G3717 and G4228; to bestraightfooted, that is, (figuratively) to godirectly forward
KJV Usage: walk uprightly.
G3718 ὀρθοτομέωὀρθοτομέω
orthotomeō
or-thot-om-eh'-o
From a compound of G3717 and the base of G5114; to make a straightcut, that is, (figuratively) to dissect (expound) correctly (the divine message)
KJV Usage: rightly divide.
G3723 ὀρθῶςὀρθῶς
orthōs
or-thoce'
Adverb from G3717; inastraight manner, that is, (figuratively) correctly (also morally)
ὄρος
oros
or'-os
Probably a from an obsolete word ὄρω orō (to rise or “rear”; perhaps akin to G142; compare G3733); a mountain (as lifting itself above the plain)
KJV Usage: hill, mount (-ain).
G3713 ὀρέγομαιὀρέγομαι
oregomai
or-eg'-om-ahee
Middle voice of apparently a prolonged form of an obsolete primary (compare G3735); to stretch oneself, that is, reach out after (long for)
KJV Usage: covet after, desire.
G3714 ὀρεινόςὀρεινός
oreinos
or-i-nos'
From G3735; mountainous, that is, (feminine by implication of G5561) the Highlands (of Judaea)
KJV Usage: hill country.
G3722 ὄρθροςὄρθρος
orthros
or'-thros
From the same as G3735; dawn (as sunrise, rising of light); by extension morn
KJV Usage: early in the morning.
G3733 ὄρνιςὄρνις
ornis
or'-nis
Probably from a prolonged form of the base of G3735; a bird (as rising in the air), that is, (specifically) a hen (or female domestic fowl)
KJV Usage: hen.
G3772 οὐρανόςοὐρανός
ouranos
oo-ran-os'
Perhaps from the same as G3735 (through the idea of elevation); the sky; by extension heaven (as the abode of God); by implication happiness, power, eternity; specifically the Gospel (Christianity)