Words for soul / spirit / life in Celtic languages.

Proto-Celtic	*anaman = soul, spirit
Old Irish (Goídelc)	ainimm [ˈanʲimʲ], anim [ˈanʲim], ainim, anaim, anaimm = soul, life, living creature, animal
Irish (Gaeilge)	anam [ˈɑn̪ˠəmˠ / ˈanˠəmˠ] = soul, life, liveliness, spirt, breath
Scottish Gaelic (Gàidhlig)	anam [anam] = soul, mind, spirit, life, breath
Manx (Gaelg)	annym = soul, psyche, spirit
Proto-Brythonic	*anati̯o- = soul, spirit
Middle Welsh (Kymraec)	eneid, eneit = soul, spirit
Welsh (Cymraeg)	enaid [haːv / haː] = soul, spirit
Cornish (Kernewek)	enev / ena = soul
Middle Breton	eneff = spring
Breton (Brezhoneg	ene = soul

Etymology: from the Proto-Indo-European *h₂enh₁mos (soul, spirit), or from the Latin anima (soul, spirt, life) [source].

Here are some examples of how these words are used:

Irish

• anam an duine = the human soul
• duine gan anam = unfeeling/lifeless person
• Tá a hanam istigh ann = she is devoted to him
• Dia le m’anam! = God bless my soul!
• Dar m’anam! = Upon my soul!
• Lán d’anam = in high spirits

Scottish Gaelic

• a Dhia m’anam! = God preserve us!
• m’anam = (my) goodness!
• anam caillte = a lost soul
• na gabh d’ anam … = don’t you dare to …
• air m’anam! = upon my soul!
• cha robh anam beò ann = there wasn not a living soul there

Manx

• annym-charrey = spiritual adviser
• corp as annym = body and soul
• Dar m’annym = Upon my soul!
• gyn annym = spiritless, flat (mood), inanimate, soulless
• M’annym da’n jouyll! = Well, I’m damned!
• Cha row annym vio ayn = there wasn not a living soul there
• Shee Yee da’n annym echey = may he rest in peace

Welsh

• ymroi i rywbeth gorff ac enaid = to throw oneself body/heart and soul into sth
• â’m holl enaid = with my whole soul
• hi oedd enaid y parti = she was the life and soul of the party
• enaid hoff cytûn = soul mate
• miwsig yr enaid / canu’r enaid = soul music

Cornish

• daskor y enev = to give up one’s ghost

Breton

• peoc’h d’e ene = may he rest in peace

Old Irish (Goídelc)	spiurt / spirut [ˈspʲirud] = spirit, incorporeal being, angel, ghost, apparition, soul, life
Irish (Gaeilge)	spiorad = spirit, spiritedness, courage
Scottish Gaelic (Gàidhlig)	spiorad [sbirəd] = spirit (of mind, ghost, liqueur), mind, vigour, heart
Manx (Gaelg)	spyrryd = esprit, ghost, morale, spirit, psyche
Proto-Brythonic	*spïrïd = spirit
Middle Welsh (Kymraec)	yspryt / yspryd = spirit
Welsh (Cymraeg)	ysbryd [ˈəsbrɨ̞d / ˈəsbrɪd] = spirit, soul; ghost, spectre, genius, temperament, disposition, mood, emotion, feeling, liveliness, vivacity, breath
Old Cornish	spirit = spirit
Cornish (Kernewek)	sperys / spyrys = spirit
Middle Breton	speret = spirit
Breton (Brezhoneg	spered = spirit

Etymology, from the Latin spīritus (air, breath, spirit), from Proto-Indo-European *(s)peys- (to blow, breathe) [source].

Words marked with a * are reconstructions.

Here are some examples of how these words are used:

Irish

• An Spiorad Naomh = the Holy Spirit
• spiorad an duine = the human spirit
• spiorad na haoise = the spirit of the age
• tá an spiorad ullamh = the spirit is willing

Scottish Gaelic

• An Spiorad Naomh = The Holy Spirit
• deagh-spiorad = good spirit
• droch-spiorad = evil spirit, the Devil
• spiorad-iùil = guiding spirit

Manx

• drogh spyrryd = demon
• gyn spyrryd = feckless, craven, boneless
• Spyrryd Noo = Holy Spirit, Holy Ghost
• spyrryd parteeagh = party spirit

Welsh

• Ysbryd Glân, Glân Ysbryd = Holy Spirit/Ghost
• gwendid ysbryd = melancholy, depression

Breton

• Spered Santel = Holy Spirit/Ghost
• droukspered = evil spirit, demon
• spered-krouiñ = creativity
• spered a gevezerez = spirit of competition

Sources: Wiktionary, Am Faclair Beag, Online Manx Dictionary, Teanglann.ie, Geiriadur Prifysgol Cymru, Gerlyver Kernewek