以nal結尾的英文單詞：abdominal

aboriginal

additional

anal

arsenal

aspirational

atonal

attitudinal

autumnal

banal

bidirectional

bitonal

canal

cardinal

carnal

communal

computational

conditional

confessional

confrontational

congressional

constitutional

constructional

conventional

conversational

correctional

criminal

denominational

devotional

diagonal

directional

diurnal

divisional

doctrinal

dysfunctional

educational

emotional

eternal

exceptional

external

factional

fictional

final

four-dimensional

fractional

fraternal

functional

gastrointestinal

generational

gravitational

impersonal

infernal

inspirational

institutional

instructional

intentional

interdenominational

internal

international

interpersonal

invitational

irrational

journal

longitudinal

marginal

maternal

medicinal

multifunctional

multinational

national

nocturnal

nominal

non-professional

notional

obsessional

occasional

occupational

omnidirectional

operational

optional

ordinal

organizational

original

paternal

penal

pentagonal

personal

phenomenal

positional

presentational

processional

professional

promotional

pronominal

proportional

provisional

quarter-final

rational

recreational

regional

relational

renal

representational

seasonal

sectional

selectional

semi-final

seminal

sensational

signal

spinal

subliminal

supranational

terminal

three-dimensional

tonal

traditional

transnational

tribunal

two-dimensional

unconditional

unconstitutional

unconventional

unemotional

unexceptional

unintentional

unprofessional

unseasonal

urinal

venal

vernal

virginal

vocational

zonal